diff --git a/build-common/src/org/jetbrains/kotlin/incremental/KotlinClassInfo.kt b/build-common/src/org/jetbrains/kotlin/incremental/KotlinClassInfo.kt
index 57b121791bf..00b76643f2c 100644
--- a/build-common/src/org/jetbrains/kotlin/incremental/KotlinClassInfo.kt
+++ b/build-common/src/org/jetbrains/kotlin/incremental/KotlinClassInfo.kt
@@ -89,7 +89,7 @@ class KotlinClassInfo constructor(
             return KotlinClassInfo(
                 classId,
                 classHeader.kind,
-                classHeader.data ?: emptyArray(),
+                classHeader.data ?: classHeader.incompatibleData ?: emptyArray(),
                 classHeader.strings ?: emptyArray(),
                 classHeader.multifileClassName,
                 constants.mapKeys { it.key.name },