diff --git a/package/libopenssl/libopenssl.mk b/package/libopenssl/libopenssl.mk
index ac12d17016..5c47927b08 100644
--- a/package/libopenssl/libopenssl.mk
+++ b/package/libopenssl/libopenssl.mk
@@ -65,7 +65,7 @@ define HOST_LIBOPENSSL_CONFIGURE_CMDS
 		shared \
 		zlib-dynamic \
 	)
-	$(SED) "s#-O[0-9s]#$(HOST_CFLAGS)#" $(@D)/Makefile
+	$(SED) "s#-O[0-9sg]#$(HOST_CFLAGS)#" $(@D)/Makefile
 endef
 
 define LIBOPENSSL_CONFIGURE_CMDS
@@ -89,7 +89,7 @@ define LIBOPENSSL_CONFIGURE_CMDS
 			$(if $(BR2_STATIC_LIBS),zlib,zlib-dynamic) \
 	)
 	$(SED) "s#-march=[-a-z0-9] ##" -e "s#-mcpu=[-a-z0-9] ##g" $(@D)/Makefile
-	$(SED) "s#-O[0-9s]#$(LIBOPENSSL_CFLAGS)#" $(@D)/Makefile
+	$(SED) "s#-O[0-9sg]#$(LIBOPENSSL_CFLAGS)#" $(@D)/Makefile
 	$(SED) "s# build_tests##" $(@D)/Makefile
 endef