diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleBuildScriptManipulator.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleBuildScriptManipulator.kt
index 6f14e61d65d..7eb86290754 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleBuildScriptManipulator.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GradleBuildScriptManipulator.kt
@@ -54,7 +54,16 @@ interface GradleBuildScriptManipulator<out Psi : PsiFile> {
     fun changeApiVersion(version: String, forTests: Boolean): PsiElement?
 
     fun addKotlinLibraryToModuleBuildScript(
-        targetModule: Module,
+        targetModule: Module?,
+        scope: DependencyScope,
+        libraryDescriptor: ExternalLibraryDescriptor
+    )
+
+    @Deprecated(
+        "Can't work with multiplatform projects",
+        ReplaceWith("addKotlinLibraryToModuleBuildScript(null, scope, libraryDescriptor)")
+    )
+    fun addKotlinLibraryToModuleBuildScript(
         scope: DependencyScope,
         libraryDescriptor: ExternalLibraryDescriptor
     )
diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GroovyBuildScriptManipulator.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GroovyBuildScriptManipulator.kt
index 5ba3d815184..556a9e98503 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GroovyBuildScriptManipulator.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/GroovyBuildScriptManipulator.kt
@@ -184,8 +184,14 @@ class GroovyBuildScriptManipulator(
     override fun changeApiVersion(version: String, forTests: Boolean): PsiElement? =
         changeKotlinTaskParameter(scriptFile, "apiVersion", version, forTests)
 
+    @Suppress("OverridingDeprecatedMember")
     override fun addKotlinLibraryToModuleBuildScript(
-        targetModule: Module,
+        scope: DependencyScope,
+        libraryDescriptor: ExternalLibraryDescriptor
+    ) = addKotlinLibraryToModuleBuildScript(null, scope, libraryDescriptor)
+
+    override fun addKotlinLibraryToModuleBuildScript(
+        targetModule: Module?,
         scope: DependencyScope,
         libraryDescriptor: ExternalLibraryDescriptor
     ) {
@@ -197,7 +203,7 @@ class GroovyBuildScriptManipulator(
             libraryDescriptor.maxVersion
         )
 
-        if (usesNewMultiplatform()) {
+        if (targetModule != null && usesNewMultiplatform()) {
             scriptFile
                 .getKotlinBlock()
                 .getSourceSetsBlock()
diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinBuildScriptManipulator.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinBuildScriptManipulator.kt
index f32cda3bcf2..b6e93034ac1 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinBuildScriptManipulator.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinBuildScriptManipulator.kt
@@ -116,8 +116,14 @@ class KotlinBuildScriptManipulator(
     override fun changeApiVersion(version: String, forTests: Boolean): PsiElement? =
         scriptFile.changeKotlinTaskParameter("apiVersion", version, forTests)
 
+    @Suppress("OverridingDeprecatedMember")
     override fun addKotlinLibraryToModuleBuildScript(
-        targetModule: Module,
+        scope: DependencyScope,
+        libraryDescriptor: ExternalLibraryDescriptor
+    ) = addKotlinLibraryToModuleBuildScript(null, scope, libraryDescriptor)
+
+    override fun addKotlinLibraryToModuleBuildScript(
+        targetModule: Module?,
         scope: DependencyScope,
         libraryDescriptor: ExternalLibraryDescriptor
     ) {
@@ -128,7 +134,7 @@ class KotlinBuildScriptManipulator(
             scope.toGradleCompileScope(scriptFile.module?.getBuildSystemType() == AndroidGradle)
         )
 
-        if (usesNewMultiplatform()) {
+        if (targetModule != null && usesNewMultiplatform()) {
             val findOrCreateTargetSourceSet = scriptFile
                 .getKotlinBlock()
                 ?.getSourceSetsBlock()