diff --git a/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier.java b/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier.java
new file mode 100644
index 000000000000..532f395228bc
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier.java
@@ -0,0 +1,9 @@
+public class Aaaaaaa {
+
+    void bar(Object foo) {
+        if (foo instanceof String) {
+            fo.substr<caret>
+        }
+    }
+
+}
diff --git a/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier_after.java b/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier_after.java
new file mode 100644
index 000000000000..35060dec87d2
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/completion/normal/CastIncompleteInstanceofedQualifier_after.java
@@ -0,0 +1,9 @@
+public class Aaaaaaa {
+
+    void bar(Object foo) {
+        if (foo instanceof String) {
+          ((String) foo).substr<caret>
+        }
+    }
+
+}
diff --git a/java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy b/java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy
index 87fe1ab17ee1..705ee68764bb 100644
--- a/java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy
+++ b/java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy
@@ -906,6 +906,7 @@ public class ListUtils {
   public void testCastInstanceofedQualifier() throws Throwable { doTest(); }
   public void testCastInstanceofedQualifierInForeach() throws Throwable { doTest(); }
   public void testCastComplexInstanceofedQualifier() throws Throwable { doTest(); }
+  public void _testCastIncompleteInstanceofedQualifier() throws Throwable { doTest(); }
 
   public void testCastTooComplexInstanceofedQualifier() throws Throwable { doAntiTest(); }
   public void testDontCastInstanceofedQualifier() throws Throwable { doTest(); }