diff --git a/common.mak b/common.mak
index 20b7fa3103..eac8bd9937 100644
--- a/common.mak
+++ b/common.mak
@@ -7,7 +7,7 @@ all: all-yes
 
 DEFAULT_YASMD=.dbg
 
-ifeq (1, DBG)
+ifeq ($(DBG),1)
 YASMD=$(DEFAULT_YASMD)
 else
 YASMD=