diff --git a/src/libs/vtools/dialogs/support/dialogeditwrongformula.cpp b/src/libs/vtools/dialogs/support/dialogeditwrongformula.cpp
index db8590590..cc08a6ad9 100644
--- a/src/libs/vtools/dialogs/support/dialogeditwrongformula.cpp
+++ b/src/libs/vtools/dialogs/support/dialogeditwrongformula.cpp
@@ -387,7 +387,7 @@ void DialogEditWrongFormula::setCheckZero(bool value)
 //---------------------------------------------------------------------------------------------------------------------
 void DialogEditWrongFormula::setCheckLessThanZero(bool value)
 {
-
+    checkLessThanZero = value;
 }
 
 //---------------------------------------------------------------------------------------------------------------------