diff --git a/idea/src/org/jetbrains/kotlin/idea/inspections/ReplaceAssertBooleanWithAssertEqualityInspection.kt b/idea/src/org/jetbrains/kotlin/idea/inspections/ReplaceAssertBooleanWithAssertEqualityInspection.kt
index da93b7e26d2..e4ae91a8b6c 100644
--- a/idea/src/org/jetbrains/kotlin/idea/inspections/ReplaceAssertBooleanWithAssertEqualityInspection.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/inspections/ReplaceAssertBooleanWithAssertEqualityInspection.kt
@@ -9,16 +9,23 @@ import com.intellij.codeInsight.actions.OptimizeImportsProcessor
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.project.Project
 import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.idea.caches.resolve.analyze
 import org.jetbrains.kotlin.idea.core.ShortenReferences
 import org.jetbrains.kotlin.idea.core.replaced
-import org.jetbrains.kotlin.idea.intentions.getCallableDescriptor
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
 import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
+import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
+import org.jetbrains.kotlin.types.KotlinType
+import org.jetbrains.kotlin.types.typeUtil.isSubtypeOf
 
-class ReplaceAssertBooleanWithAssertEqualityInspection : AbstractApplicabilityBasedInspection<KtCallExpression>(KtCallExpression::class.java) {
-
+class ReplaceAssertBooleanWithAssertEqualityInspection : AbstractApplicabilityBasedInspection<KtCallExpression>(
+    KtCallExpression::class.java
+) {
     override fun inspectionText(element: KtCallExpression) = "Replace assert boolean with assert equality"
 
     override val defaultFixText = "Replace assert boolean with assert equality"
@@ -58,16 +65,28 @@ class ReplaceAssertBooleanWithAssertEqualityInspection : AbstractApplicabilityBa
             return null
         }
 
-        if (getCallableDescriptor()?.containingDeclaration?.fqNameSafe != FqName(kotlinTestPackage)) {
+        val context = analyze(BodyResolveMode.PARTIAL)
+        if (descriptor(context)?.containingDeclaration?.fqNameSafe != FqName(kotlinTestPackage)) {
             return null
         }
 
         if (valueArguments.size != 1 && valueArguments.size != 2) return null
         val binaryExpression = valueArguments.first().getArgumentExpression() as? KtBinaryExpression ?: return null
+        val leftType = binaryExpression.left?.type(context) ?: return null
+        val rightType = binaryExpression.right?.type(context) ?: return null
+        if (!leftType.isSubtypeOf(rightType) && !rightType.isSubtypeOf(leftType)) return null
         val operationToken = binaryExpression.operationToken
 
         return assertionMap[Pair(referencedName, operationToken)]
     }
+    
+    private fun KtExpression.descriptor(context: BindingContext): CallableDescriptor? {
+        return getResolvedCall(context)?.resultingDescriptor
+    }
+    
+    private fun KtExpression.type(context: BindingContext): KotlinType? {
+        return descriptor(context)?.returnType
+    }
 
     companion object {
         private const val kotlinTestPackage = "kotlin.test"
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype.kt b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype.kt
new file mode 100644
index 00000000000..216f2dc5c54
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype.kt
@@ -0,0 +1,12 @@
+// RUNTIME_WITH_KOTLIN_TEST
+// PROBLEM: none
+
+import kotlin.test.assertTrue
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent, c: Child?) {
+    assertTrue<caret>(p == c)
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype2.kt b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype2.kt
new file mode 100644
index 00000000000..437a225be22
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype2.kt
@@ -0,0 +1,12 @@
+// RUNTIME_WITH_KOTLIN_TEST
+// PROBLEM: none
+
+import kotlin.test.assertTrue
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent, c: Child?) {
+    assertTrue<caret>(c === p)
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt
new file mode 100644
index 00000000000..2120fd42e90
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt
@@ -0,0 +1,11 @@
+// RUNTIME_WITH_KOTLIN_TEST
+
+import kotlin.test.assertTrue
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent?, c: Child) {
+    <caret>assertTrue(p == c)
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt.after b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt.after
new file mode 100644
index 00000000000..411daefc694
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt.after
@@ -0,0 +1,11 @@
+// RUNTIME_WITH_KOTLIN_TEST
+
+import kotlin.test.assertEquals
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent?, c: Child) {
+    assertEquals(p, c)
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt
new file mode 100644
index 00000000000..6418b2fce54
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt
@@ -0,0 +1,11 @@
+// RUNTIME_WITH_KOTLIN_TEST
+
+import kotlin.test.assertTrue
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent?, c: Child) {
+    <caret>assertTrue(c === p)
+}
\ No newline at end of file
diff --git a/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt.after b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt.after
new file mode 100644
index 00000000000..82d48e0bff5
--- /dev/null
+++ b/idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt.after
@@ -0,0 +1,11 @@
+// RUNTIME_WITH_KOTLIN_TEST
+
+import kotlin.test.assertSame
+
+interface Parent
+
+interface Child : Parent
+
+fun test(p: Parent?, c: Child) {
+    assertSame(c, p)
+}
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
index 31db75ce9ca..ddf3fc1b84a 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java
@@ -6845,6 +6845,26 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
         public void testAssertTrueWithMessage() throws Exception {
             runTest("idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/assertTrueWithMessage.kt");
         }
+
+        @TestMetadata("notSubtype.kt")
+        public void testNotSubtype() throws Exception {
+            runTest("idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype.kt");
+        }
+
+        @TestMetadata("notSubtype2.kt")
+        public void testNotSubtype2() throws Exception {
+            runTest("idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/notSubtype2.kt");
+        }
+
+        @TestMetadata("subtype.kt")
+        public void testSubtype() throws Exception {
+            runTest("idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype.kt");
+        }
+
+        @TestMetadata("subtype2.kt")
+        public void testSubtype2() throws Exception {
+            runTest("idea/testData/inspectionsLocal/replaceAssertBooleanWithAssertEquality/subtype2.kt");
+        }
     }
 
     @TestMetadata("idea/testData/inspectionsLocal/replaceAssociateFunction")