diff --git a/plugins/android-idea-plugin/src/org/jetbrains/kotlin/android/synthetic/idea/AndroidPsiTreeChangePreprocessor.kt b/plugins/android-idea-plugin/src/org/jetbrains/kotlin/android/synthetic/idea/AndroidPsiTreeChangePreprocessor.kt
index 8789722e710..a9c732c8800 100644
--- a/plugins/android-idea-plugin/src/org/jetbrains/kotlin/android/synthetic/idea/AndroidPsiTreeChangePreprocessor.kt
+++ b/plugins/android-idea-plugin/src/org/jetbrains/kotlin/android/synthetic/idea/AndroidPsiTreeChangePreprocessor.kt
@@ -42,7 +42,7 @@ public class AndroidPsiTreeChangePreprocessor : PsiTreeChangePreprocessor, Simpl
                 return
             }
 
-            if (checkIfLayoutFile(child)) {
+            if (child != null && checkIfLayoutFile(child)) {
                 incModificationCount()
                 return
             }