diff --git a/java/debugger/impl/src/com/intellij/debugger/engine/BasicStepMethodFilter.java b/java/debugger/impl/src/com/intellij/debugger/engine/BasicStepMethodFilter.java
index c2904a454309..05c1a0109caa 100644
--- a/java/debugger/impl/src/com/intellij/debugger/engine/BasicStepMethodFilter.java
+++ b/java/debugger/impl/src/com/intellij/debugger/engine/BasicStepMethodFilter.java
@@ -110,7 +110,7 @@ public class BasicStepMethodFilter implements NamedMethodFilter {
     if (!res && !method.isStatic() && stackFrame != null) {
       ObjectReference thisObject = stackFrame.thisObject();
       if (thisObject != null) {
-        res = DebuggerUtils.instanceOf(thisObject.referenceType(), (declaringClassNameName));
+        res = DebuggerUtils.instanceOf(thisObject.referenceType(), declaringClassNameName);
       }
     }
     return res;
diff --git a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsEx.java b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsEx.java
index df856b0cece6..2c4b31b67fa5 100644
--- a/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsEx.java
+++ b/java/debugger/impl/src/com/intellij/debugger/impl/DebuggerUtilsEx.java
@@ -123,6 +123,10 @@ public abstract class DebuggerUtilsEx extends DebuggerUtils {
     return null;
   }
 
+  /**
+   * Does not handle array types correctly
+   * @deprecated use {@link DebuggerUtils#instanceOf(Type, String)}
+   */
   @Deprecated
   public static boolean isAssignableFrom(@NotNull String baseQualifiedName, @NotNull Type checkedType) {
     if (checkedType instanceof ReferenceType) {