diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173 b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
index 45cd6e292e2..f2b479137cf 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.173
@@ -297,6 +297,18 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
             }
         }
         for (sourceSet in sourceSets) {
+            val name = sourceSet.name
+            if (name == KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME) {
+                sourceSet.platform = KotlinPlatform.COMMON
+                sourceSet.isTestModule = false
+                continue
+            }
+            if (name == KotlinSourceSet.COMMON_TEST_SOURCE_SET_NAME) {
+                sourceSet.platform = KotlinPlatform.COMMON
+                sourceSet.isTestModule = true
+                continue
+            }
+
             val compilations = sourceSetToCompilations[sourceSet]
             if (compilations != null) {
                 sourceSet.platform = compilations.map { it.platform }.distinct().singleOrNull() ?: KotlinPlatform.COMMON
diff --git a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31 b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
index 45cd6e292e2..f2b479137cf 100644
--- a/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
+++ b/idea/kotlin-gradle-tooling/src/KotlinMPPGradleModelBuilder.kt.as31
@@ -297,6 +297,18 @@ class KotlinMPPGradleModelBuilder : ModelBuilderService {
             }
         }
         for (sourceSet in sourceSets) {
+            val name = sourceSet.name
+            if (name == KotlinSourceSet.COMMON_MAIN_SOURCE_SET_NAME) {
+                sourceSet.platform = KotlinPlatform.COMMON
+                sourceSet.isTestModule = false
+                continue
+            }
+            if (name == KotlinSourceSet.COMMON_TEST_SOURCE_SET_NAME) {
+                sourceSet.platform = KotlinPlatform.COMMON
+                sourceSet.isTestModule = true
+                continue
+            }
+
             val compilations = sourceSetToCompilations[sourceSet]
             if (compilations != null) {
                 sourceSet.platform = compilations.map { it.platform }.distinct().singleOrNull() ?: KotlinPlatform.COMMON