diff --git a/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.dynamic.txt b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.dynamic.txt
new file mode 100644
index 00000000000..38217666d46
--- /dev/null
+++ b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.dynamic.txt
@@ -0,0 +1,4 @@
+public final fun `foo-bar`(): dynamic
+public final var `ba-z`: dynamic
+    public final fun <get-ba-z>(): dynamic
+    public final fun <set-ba-z>(/*0*/ <set-?>: dynamic): kotlin.Unit
diff --git a/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.kt b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.kt
index c0529ded3d3..d22f9aaa8d3 100644
--- a/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.kt
+++ b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.kt
@@ -17,4 +17,9 @@ private class <!NAME_CONTAINS_ILLEGAL_CHARS!>` .private class `<!> {
 
 val x: Int
     <!NAME_CONTAINS_ILLEGAL_CHARS!>@JsName(".")
-    get()<!> = TODO("")
\ No newline at end of file
+    get()<!> = TODO("")
+
+fun box(x: dynamic) {
+    x.<!NAME_CONTAINS_ILLEGAL_CHARS!>`foo-bar`<!>()
+    x.<!NAME_CONTAINS_ILLEGAL_CHARS!>`ba-z`<!>
+}
\ No newline at end of file
diff --git a/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.txt b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.txt
index bdfdc841ee7..e546680d26a 100644
--- a/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.txt
+++ b/compiler/testData/diagnostics/testsWithJsStdLib/name/illegalName.txt
@@ -5,6 +5,7 @@ private fun ` .private `(): kotlin.String
 @kotlin.js.JsName(name = "validName") private fun ` .private with @JsName `(): kotlin.String
 public fun ` .public `(): kotlin.String
 @kotlin.js.JsName(name = "  ___  ") private fun bar(): kotlin.String
+public fun box(/*0*/ x: dynamic): kotlin.Unit
 @kotlin.js.JsName(name = "  __  ") public fun foo(): kotlin.String
 
 private final class ` .private class ` {
diff --git a/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsDynamicCallChecker.kt b/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsDynamicCallChecker.kt
index 59804ce1161..23789634e0a 100644
--- a/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsDynamicCallChecker.kt
+++ b/js/js.frontend/src/org/jetbrains/kotlin/js/resolve/diagnostics/JsDynamicCallChecker.kt
@@ -17,6 +17,7 @@
 package org.jetbrains.kotlin.js.resolve.diagnostics
 
 import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.js.naming.NameSuggestion
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.resolve.calls.checkers.CallChecker
@@ -62,6 +63,15 @@ object JsDynamicCallChecker : CallChecker {
                     context.trace.report(ErrorsJs.WRONG_OPERATION_WITH_DYNAMIC.on(element.parent, "destructuring declaration"))
                 }
             }
+
+            is KtSimpleNameExpression -> checkIdentifier(element.getReferencedName(), element, context)
+
+            is KtCallExpression -> {
+                val calleePsi = element.calleeExpression
+                if (calleePsi is KtSimpleNameExpression) {
+                    checkIdentifier(calleePsi.getReferencedName(), calleePsi, context)
+                }
+            }
         }
 
         for (argument in resolvedCall.call.valueArguments) {
@@ -71,6 +81,13 @@ object JsDynamicCallChecker : CallChecker {
         }
     }
 
+    private fun checkIdentifier(name: String?, reportOn: PsiElement, context: CallCheckerContext) {
+        if (name == null) return
+        if (NameSuggestion.sanitizeName(name) != name) {
+            context.trace.report(ErrorsJs.NAME_CONTAINS_ILLEGAL_CHARS.on(reportOn))
+        }
+    }
+
     private fun checkSpreadOperator(resolvedCall: ResolvedCall<*>, context: CallCheckerContext) {
         for (arg in resolvedCall.call.valueArguments) {
             val argExpression = arg.getArgumentExpression() ?: continue