diff --git a/sc2/src/sc2code/Makeinfo b/sc2/src/sc2code/Makeinfo
index f0d355193..0fb1df0aa 100644
--- a/sc2/src/sc2code/Makeinfo
+++ b/sc2/src/sc2code/Makeinfo
@@ -10,7 +10,7 @@ uqm_CFILES="battle.c border.c build.c cleanup.c clock.c collide.c comm.c
 		starcon.c starmap.c state.c status.c tactrans.c
 		trans.c util.c velocity.c weapon.c"
 
-if [ -n "$DEBUG" ]; then
+if [ "$DEBUG" = 1 ]; then
 	uqm_CFILES="$uqm_CFILES debug.c"
 fi