diff --git a/package/libs/lzo/Makefile b/package/libs/lzo/Makefile
index b2bab05f3ed..6a88a6f384c 100644
--- a/package/libs/lzo/Makefile
+++ b/package/libs/lzo/Makefile
@@ -45,6 +45,10 @@ endef
 TARGET_CFLAGS += $(FPIC)
 MAKE_FLAGS += CFLAGS_O="$(TARGET_CFLAGS)"
 
+ifeq ($(CONFIG_i386)$(CONFIG_x86_64),)
+  TARGET_CFLAGS += -DLZO_CFG_NO_UNALIGNED=1
+endif
+
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/lzo $(1)/usr/include/