diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryStateImpl.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryStateImpl.java
index 56bf0f301195..d7c7c586890a 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryStateImpl.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/DfaMemoryStateImpl.java
@@ -702,16 +702,16 @@ public class DfaMemoryStateImpl implements DfaMemoryState {
     if (!TypeConversionUtil.isPrimitiveWrapper(type)) {
       return true;
     }
-    if (negated && !(unwrap(dfaRight) instanceof DfaConstValue)) {
-      // from the fact (wrappers are not the same) does not follow (unboxed values are not equals)
+    if (negated) {
+      // from the fact "wrappers are not the same" it does not follow that "unboxed values are not equal"
       return true;
     }
 
     DfaBoxedValue.Factory boxedFactory = myFactory.getBoxedFactory();
     DfaValue unboxedLeft = boxedFactory.createUnboxed(dfaLeft);
     DfaValue unboxedRight = boxedFactory.createUnboxed(dfaRight);
-    return applyRelation(unboxedLeft, unboxedRight, negated) &&
-           checkCompareWithBooleanLiteral(unboxedLeft, unboxedRight, negated);
+    return applyRelation(unboxedLeft, unboxedRight, false) &&
+           checkCompareWithBooleanLiteral(unboxedLeft, unboxedRight, false);
   }
 
   private boolean checkCompareWithBooleanLiteral(DfaValue dfaLeft, DfaValue dfaRight, boolean negated) {
diff --git a/java/java-tests/testData/inspection/dataFlow/fixture/NullableBoolean.java b/java/java-tests/testData/inspection/dataFlow/fixture/NullableBoolean.java
index 36756339d51d..e6a8445a55a1 100644
--- a/java/java-tests/testData/inspection/dataFlow/fixture/NullableBoolean.java
+++ b/java/java-tests/testData/inspection/dataFlow/fixture/NullableBoolean.java
@@ -1,5 +1,6 @@
 import org.jetbrains.annotations.Nullable;
 
+import java.lang.Boolean;
 import java.util.List;
 
 class Foo {
@@ -20,4 +21,12 @@ class Foo {
     }
 
   }
+  public static void main3(Boolean b) {
+    if (b == Boolean.FALSE) {
+      System.out.println();
+    } else if (b == Boolean.TRUE) {
+      System.out.println();
+    }
+  }
+
 }
\ No newline at end of file