diff --git a/plugins/InspectionGadgets/src/com/siyeh/ig/dataflow/BooleanVariableAlwaysNegatedInspection.java b/plugins/InspectionGadgets/src/com/siyeh/ig/dataflow/BooleanVariableAlwaysNegatedInspection.java
index 8307a35bfb1f..f4c645761071 100644
--- a/plugins/InspectionGadgets/src/com/siyeh/ig/dataflow/BooleanVariableAlwaysNegatedInspection.java
+++ b/plugins/InspectionGadgets/src/com/siyeh/ig/dataflow/BooleanVariableAlwaysNegatedInspection.java
@@ -166,7 +166,10 @@ public class BooleanVariableAlwaysNegatedInspection extends BaseInspection {
                 return;
             }
             read = true;
-            final PsiElement parent = expression.getParent();
+            PsiElement parent = expression.getParent();
+            while (parent instanceof PsiParenthesizedExpression) {
+                parent = parent.getParent();
+            }
             if (!(parent instanceof PsiPrefixExpression)) {
                 alwaysNegated = false;
                 return;