diff --git a/Makefile b/Makefile
index 4d346e4..cc13ed1 100755
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-EXTRA_CFLAGS += $(USER_EXTRA_CFLAGS)
+EXTRA_CFLAGS += $(USER_EXTRA_CFLAGS) -fno-pie
 EXTRA_CFLAGS += -O1
 #EXTRA_CFLAGS += -O3
 #EXTRA_CFLAGS += -Wall
@@ -17,6 +17,7 @@ EXTRA_CFLAGS += -Wno-uninitialized
 EXTRA_CFLAGS += -Wno-cast-function-type
 EXTRA_CFLAGS += -Wno-misleading-indentation
 EXTRA_CFLAGS += -Wno-missing-field-initializers
+EXTRA_CFLAGS += -Wimplicit-fallthrough=0
 EXTRA_CFLAGS += -Wno-vla -g
 #EXTRA_CFLAGS += -Wno-tautological-compare
 #EXTRA_CFLAGS += -Wno-incompatible-pointer-types