diff --git a/src/Makefile b/src/Makefile
index f8d65ccb..67cd382a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -296,7 +296,7 @@ ifeq ($(optimize),yes)
 		endif
 
 		ifeq ($(arch),armv7)
-			CXXFLAGS += -fno-gcse
+			CXXFLAGS += -fno-gcse -mthumb -march=armv7-a -mfloat-abi=softfp
 		endif
 	endif