diff --git a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/KotlinCompletionContributor.kt b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/KotlinCompletionContributor.kt
index 5423570282f..eb3d33ac304 100644
--- a/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/KotlinCompletionContributor.kt
+++ b/idea/idea-completion/src/org/jetbrains/kotlin/idea/completion/KotlinCompletionContributor.kt
@@ -170,9 +170,9 @@ class KotlinCompletionContributor : CompletionContributor() {
     private fun isInClassHeader(tokenBefore: PsiElement?): Boolean {
         val classOrObject = tokenBefore?.parents?.firstIsInstanceOrNull<KtClassOrObject>() ?: return false
         val name = classOrObject.nameIdentifier ?: return false
-        val body = classOrObject.getBody() ?: return false
+        val headerEnd = classOrObject.body?.startOffset ?: classOrObject.endOffset
         val offset = tokenBefore.startOffset
-        return name.endOffset <= offset && offset <= body.startOffset
+        return name.endOffset <= offset && offset <= headerEnd
     }
 
     private fun specialLambdaSignatureDummyIdentifier(tokenBefore: PsiElement?): String? {
diff --git a/idea/idea-completion/testData/basic/common/KT31762.kt b/idea/idea-completion/testData/basic/common/KT31762.kt
new file mode 100644
index 00000000000..bfa60ad5eea
--- /dev/null
+++ b/idea/idea-completion/testData/basic/common/KT31762.kt
@@ -0,0 +1,6 @@
+enum class A { AAA }
+enum class E(val one: A, val two: A) {
+    EE(A.<caret>, A.AAA)
+}
+
+// EXIST: AAA
\ No newline at end of file
diff --git a/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JSBasicCompletionTestGenerated.java b/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JSBasicCompletionTestGenerated.java
index 1188ace753c..56a43051a87 100644
--- a/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JSBasicCompletionTestGenerated.java
+++ b/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JSBasicCompletionTestGenerated.java
@@ -440,6 +440,11 @@ public class JSBasicCompletionTestGenerated extends AbstractJSBasicCompletionTes
             runTest("idea/idea-completion/testData/basic/common/KT13780_1.kt");
         }
 
+        @TestMetadata("KT31762.kt")
+        public void testKT31762() throws Exception {
+            runTest("idea/idea-completion/testData/basic/common/KT31762.kt");
+        }
+
         @TestMetadata("KT33903_1.kt")
         public void testKT33903_1() throws Exception {
             runTest("idea/idea-completion/testData/basic/common/KT33903_1.kt");
diff --git a/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmBasicCompletionTestGenerated.java b/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmBasicCompletionTestGenerated.java
index a3489e07400..9d5c3d2d843 100644
--- a/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmBasicCompletionTestGenerated.java
+++ b/idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmBasicCompletionTestGenerated.java
@@ -440,6 +440,11 @@ public class JvmBasicCompletionTestGenerated extends AbstractJvmBasicCompletionT
             runTest("idea/idea-completion/testData/basic/common/KT13780_1.kt");
         }
 
+        @TestMetadata("KT31762.kt")
+        public void testKT31762() throws Exception {
+            runTest("idea/idea-completion/testData/basic/common/KT31762.kt");
+        }
+
         @TestMetadata("KT33903_1.kt")
         public void testKT33903_1() throws Exception {
             runTest("idea/idea-completion/testData/basic/common/KT33903_1.kt");