diff --git a/package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk b/package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk
index 86aa345b00..a9111ebdb8 100644
--- a/package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk
+++ b/package/gstreamer1/gst1-plugins-bad/gst1-plugins-bad.mk
@@ -13,7 +13,7 @@ GST1_PLUGINS_BAD_INSTALL_STAGING = YES
 GST1_PLUGINS_BAD_LICENSE_FILES = COPYING
 GST1_PLUGINS_BAD_LICENSE = LGPL-2.0+
 
-GST1_PLUGINS_BAD_CFLAGS = $(TARGET_CFLAGS) -std=c99
+GST1_PLUGINS_BAD_CFLAGS = $(TARGET_CFLAGS) -std=c99 -D_GNU_SOURCE
 GST1_PLUGINS_BAD_LDFLAGS = $(TARGET_LDFLAGS) $(TARGET_NLS_LIBS)
 
 GST1_PLUGINS_BAD_CONF_OPTS = \