diff --git a/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk b/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
index 1168feb293..2b6cf769aa 100644
--- a/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
+++ b/package/gstreamer1/gst1-plugins-good/gst1-plugins-good.mk
@@ -10,6 +10,7 @@ GST1_PLUGINS_GOOD_SITE = https://gstreamer.freedesktop.org/src/gst-plugins-good
 GST1_PLUGINS_GOOD_LICENSE_FILES = COPYING
 GST1_PLUGINS_GOOD_LICENSE = LGPL-2.1+
 
+GST1_PLUGINS_GOOD_CFLAGS = $(TARGET_CFLAGS) -std=gnu99
 GST1_PLUGINS_GOOD_LDFLAGS = $(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)
 
 GST1_PLUGINS_GOOD_CONF_OPTS = \