diff --git a/OscCommentMacroListener.py b/OscCommentMacroListener.py
index 723c8f7..5940676 100644
--- a/OscCommentMacroListener.py
+++ b/OscCommentMacroListener.py
@@ -163,7 +163,7 @@ class OscCommentMacroListener(CommentMacroListener):
         self.osc.button_press(ctx.device(), "/hog/hardware/assert")
 
     def exitMasterRelease(self, ctx: CommentMacroParser.MasterReleaseContext):
-        if ctx.target()is None:
+        if ctx.target() is not None:
             logger.error("ERROR: limited to releasing current master only.")
             return
         logger.info("RELEASE on current master.")