diff --git a/engine/Makefile b/engine/Makefile
index de42319ca..c2db6e278 100644
--- a/engine/Makefile
+++ b/engine/Makefile
@@ -248,7 +248,7 @@ else
 	GNUC_FUNCS= -Dstrnicmp=strncasecmp -Dstricmp=strcasecmp -D_vsnprintf=vsnprintf -D_snprintf=snprintf
 endif
 
-BASE_CFLAGS=$(BASE_ASM_CFLAGS) $(WARNINGFLAGS) $(GNUC_FUNCS) -I$(CLIENT_DIR) -I$(SERVER_DIR) -I$(COMMON_DIR) -I$(GL_DIR) -I$(D3D9_DIR) -I$(D3D7_DIR) -I$(PROGS_DIR) -I$(LIBS_DIR) -I$(LIBS_DIR)/dxsdk7/include -I$(LIBS_DIR)/sdl/include -I./libs/sdl/include -I$(LIBS_DIR)/sdl/include/SDL -I./libs/freetype2/include -I./libs/freetype2/include/freetype $(SVNREVISION)
+BASE_CFLAGS=$(BASE_ASM_CFLAGS) $(WARNINGFLAGS) $(GNUC_FUNCS) -I$(CLIENT_DIR) -I$(SERVER_DIR) -I$(COMMON_DIR) -I$(GL_DIR) -I$(D3D9_DIR) -I$(D3D7_DIR) -I$(PROGS_DIR) -I$(LIBS_DIR) -I$(LIBS_DIR)/dxsdk7/include -I$(LIBS_DIR)/sdl/include -I/usr/include/SDL -I$(LIBS_DIR)/sdl/include/SDL -I./libs/freetype2/include -I./libs/freetype2/include/freetype $(SVNREVISION)
 CLIENT_ONLY_CFLAGS=-DCLIENTONLY
 SERVER_ONLY_CFLAGS=-DSERVERONLY
 JOINT_CFLAGS=