diff --git a/package/glog/glog.mk b/package/glog/glog.mk
index 9d31732a88..2863e78345 100644
--- a/package/glog/glog.mk
+++ b/package/glog/glog.mk
@@ -13,7 +13,7 @@ GLOG_CONF_OPTS = \
 	$(if $(BR2_TOOLCHAIN_HAS_THREADS),-DWITH_THREADS=ON, -DWITH_THREADS=OFF)
 
 ifeq ($(BR2_PACKAGE_GFLAGS),y)
-GLOG_DEPENDENCIES = gflags
+GLOG_DEPENDENCIES += gflags
 GLOG_CONF_OPTS += -DWITH_GFLAGS=ON
 else
 GLOG_CONF_OPTS += -DWITH_GFLAGS=OFF