diff --git a/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java b/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java
index dd2ff02e8fe..6e3a57010cb 100644
--- a/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java
+++ b/idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java
@@ -21,6 +21,7 @@ import com.intellij.openapi.editor.event.DocumentAdapter;
 import com.intellij.openapi.editor.event.DocumentEvent;
 import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.fileChooser.FileChooserDescriptorFactory;
+import com.intellij.openapi.fileTypes.FileTypeManager;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.roots.JavaProjectRootsUtil;
@@ -30,6 +31,7 @@ import com.intellij.openapi.ui.TextComponentAccessor;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
 import com.intellij.openapi.util.EmptyRunnable;
 import com.intellij.openapi.util.Pass;
+import com.intellij.openapi.util.io.FileUtilRt;
 import com.intellij.psi.*;
 import com.intellij.refactoring.*;
 import com.intellij.refactoring.classMembers.DependencyMemberInfoModel;
@@ -55,6 +57,7 @@ import kotlin.jvm.functions.Function0;
 import kotlin.jvm.functions.Function1;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.idea.JetFileType;
 import org.jetbrains.kotlin.idea.core.CorePackage;
 import org.jetbrains.kotlin.idea.core.refactoring.RefactoringPackage;
 import org.jetbrains.kotlin.idea.refactoring.JetRefactoringBundle;
@@ -72,8 +75,6 @@ import javax.swing.*;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
-import java.beans.PropertyChangeEvent;
-import java.beans.PropertyChangeListener;
 import java.io.File;
 import java.util.Collection;
 import java.util.List;
@@ -355,6 +356,12 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
         return ((DestinationFolderComboBox) destinationFolderCB).selectDirectory(targetPackage, false);
     }
 
+    private boolean checkTargetFileName(String fileName) {
+        if (FileTypeManager.getInstance().getFileTypeByFileName(fileName) == JetFileType.INSTANCE) return true;
+        setErrorText("Can't move to non-Kotlin file");
+        return false;
+    }
+
     @Nullable
     private KotlinMoveTarget selectMoveTarget() {
         String message = verifyBeforeRun();
@@ -370,6 +377,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
             if (moveDestination == null) return null;
 
             final String targetFileName = tfFileNameInPackage.getText();
+            if (!checkTargetFileName(targetFileName)) return null;
 
             PsiDirectory directory = moveDestination.getTargetIfExists(sourceFile);
             PsiFile targetFile = directory != null ? directory.findFile(targetFileName) : null;
@@ -403,6 +411,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
         }
 
         final File targetFile = new File(getTargetFilePath());
+        if (!checkTargetFileName(targetFile.getName())) return null;
         JetFile jetFile = (JetFile) RefactoringPackage.toPsiFile(targetFile, myProject);
         if (jetFile != null) {
             if (jetFile == sourceFile) {