diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index 52a980ba5..2adf70c8a 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -793,7 +793,7 @@ def checkFalsePositives(injection):
                 retVal = None
                 break
 
-            elif checkBooleanExpression("%d %d" % (randInt3, randInt2)):
+            elif not checkBooleanExpression("%d %d" % (randInt3, randInt2)):
                 retVal = None
                 break