diff --git a/package/squashfs/squashfs.mk b/package/squashfs/squashfs.mk
index 4f84872319..e8321ed60e 100644
--- a/package/squashfs/squashfs.mk
+++ b/package/squashfs/squashfs.mk
@@ -59,7 +59,7 @@ HOST_SQUASHFS_MAKE_ARGS = \
 define SQUASHFS_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE)    \
 		CC="$(TARGET_CC)"           \
-		EXTRA_CFLAGS="$(TARGET_CFLAGS)"   \
+		EXTRA_CFLAGS="$(TARGET_CFLAGS) -fgnu89-inline"   \
 		EXTRA_LDFLAGS="$(TARGET_LDFLAGS)" \
 		$(SQUASHFS_MAKE_ARGS) \
 		-C $(@D)/squashfs-tools/