diff --git a/Source/Apps/Dev/Makefile b/Source/Apps/Dev/Makefile
index b7f5e392..02b18e84 100644
--- a/Source/Apps/Dev/Makefile
+++ b/Source/Apps/Dev/Makefile
@@ -5,6 +5,6 @@ DOCDEST = ../../../Binary/Apps
 TOOLS = ../../../Tools
 include $(TOOLS)/Makefile.inc
 
-%.com: USETASM=1
+Dev.com: USETASM=1