diff --git a/project.hxp b/project.hxp
index 9ea6aef1b..1de202e38 100644
--- a/project.hxp
+++ b/project.hxp
@@ -890,7 +890,7 @@ class Project extends HXProject
 
     if (FEATURE_LOG_TRACE.isDisabled(this))
     {
-      setHaxeFlag("--no-traces");
+      addHaxeFlag("--no-traces");
     }
 
     // Disable the built in pause screen when unfocusing the game.