diff --git a/plugins/gradle/src/org/jetbrains/plugins/gradle/settings/GradleSettings.java b/plugins/gradle/src/org/jetbrains/plugins/gradle/settings/GradleSettings.java
index 1f7b514086b8..c6e8235e11ab 100644
--- a/plugins/gradle/src/org/jetbrains/plugins/gradle/settings/GradleSettings.java
+++ b/plugins/gradle/src/org/jetbrains/plugins/gradle/settings/GradleSettings.java
@@ -19,6 +19,7 @@ import com.intellij.openapi.components.PersistentStateComponent;
 import com.intellij.openapi.components.ServiceManager;
 import com.intellij.openapi.components.State;
 import com.intellij.openapi.components.Storage;
+import com.intellij.openapi.externalSystem.service.project.manage.ExternalProjectsManager;
 import com.intellij.openapi.externalSystem.settings.AbstractExternalSystemSettings;
 import com.intellij.openapi.externalSystem.settings.ExternalSystemSettingsListener;
 import com.intellij.openapi.project.Project;
@@ -124,6 +125,9 @@ public class GradleSettings extends AbstractExternalSystemSettings<GradleSetting
     if (old.getDistributionType() != current.getDistributionType()) {
       getPublisher().onGradleDistributionTypeChange(current.getDistributionType(), current.getExternalProjectPath());
     }
+    if (old.isResolveModulePerSourceSet() != current.isResolveModulePerSourceSet()) {
+      ExternalProjectsManager.getInstance(getProject()).getExternalProjectsWatcher().markDirty(current.getExternalProjectPath());
+    }
   }
 
   public static class MyState implements State<GradleProjectSettings> {