diff --git a/sample_mm/Makefile b/sample_mm/Makefile
index 556c982..4034c7b 100755
--- a/sample_mm/Makefile
+++ b/sample_mm/Makefile
@@ -60,7 +60,8 @@ ifeq "$(ENGINE)" "orangeboxvalve"
 	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
-	LIB_SUFFIX = _i486.so
+	LIB_PREFIX = lib
+	LIB_SUFFIX = .so
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "left4dead"
diff --git a/stub_mm/Makefile b/stub_mm/Makefile
index 7f9d9ee..e60926e 100644
--- a/stub_mm/Makefile
+++ b/stub_mm/Makefile
@@ -60,7 +60,8 @@ ifeq "$(ENGINE)" "orangeboxvalve"
 	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
-	LIB_SUFFIX = _i486.so
+	LIB_PREFIX = lib
+	LIB_SUFFIX = .so
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "left4dead"