diff --git a/plugins/android-compiler-plugin/src/org/jetbrains/kotlin/lang/resolve/android/androidResources.kt b/plugins/android-compiler-plugin/src/org/jetbrains/kotlin/lang/resolve/android/androidResources.kt
index 34934346a5e..919a73bed20 100644
--- a/plugins/android-compiler-plugin/src/org/jetbrains/kotlin/lang/resolve/android/androidResources.kt
+++ b/plugins/android-compiler-plugin/src/org/jetbrains/kotlin/lang/resolve/android/androidResources.kt
@@ -16,7 +16,9 @@
 
 package org.jetbrains.kotlin.lang.resolve.android
 
-public data class AndroidModuleInfo(val applicationPackage: String, val resDirectories: List<String>)
+public data class AndroidModuleInfo(val applicationPackage: String, resDirectories: List<String>) {
+    val resDirectories = resDirectories.sort()
+}
 
 public abstract class AndroidResource(val id: String) {
     public abstract val className: String
diff --git a/plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidPsiTreeChangePreprocessor.kt b/plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidPsiTreeChangePreprocessor.kt
index 95732f9e5d2..8704a38363e 100644
--- a/plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidPsiTreeChangePreprocessor.kt
+++ b/plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidPsiTreeChangePreprocessor.kt
@@ -48,11 +48,11 @@ public class AndroidPsiTreeChangePreprocessor : PsiTreeChangePreprocessor, Simpl
                 val module = projectFileIndex.getModuleForFile(file.getVirtualFile())
                 if (module != null) {
                     val resourceManager = AndroidResourceManager.getInstance(module)
-                    val mainResDirectory = resourceManager.getResDirectories()
+                    val resDirectories = resourceManager.getModuleResDirectories()
                     val baseDirectory = file.getParent()?.getParent()?.getVirtualFile()
 
-                    //File from res/ directory was modified
-                    if (mainResDirectory == baseDirectory && file.isLayoutXmlFile()) {
+                    // File from the res/ directory was modified
+                    if (baseDirectory in resDirectories && file.isLayoutXmlFile()) {
                         incModificationCount()
                     }
                 }