diff --git a/modules/imgproc/test/test_floodfill.cpp b/modules/imgproc/test/test_floodfill.cpp
index d919b1602c..bb34449fd6 100644
--- a/modules/imgproc/test/test_floodfill.cpp
+++ b/modules/imgproc/test/test_floodfill.cpp
@@ -508,6 +508,8 @@ _exit_:
     comp[7] = new_val.val[2];
 #endif
     comp[8] = 0;
+
+    cvReleaseMemStorage(&st);
 }