diff --git a/entity/scope.go b/entity/scope.go
index 12cca52..bbb1f62 100644
--- a/entity/scope.go
+++ b/entity/scope.go
@@ -36,6 +36,6 @@ func (this *Scope) AddVariable (declaration *Declaration) {
 
 func (this *Scope) OverVariables (callback func (*Declaration) bool) {
 	for _, declaration := range this.variables {
-		if callback(declaration) { break }
+		if !callback(declaration) { break }
 	}
 }