diff --git a/gstreamer.m4 b/gstreamer.m4
index 3a564b2a52..59f63d9d69 100644
--- a/gstreamer.m4
+++ b/gstreamer.m4
@@ -72,6 +72,7 @@ dnl
 AC_TRY_RUN([
 #include <gst/gst.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 int 
 main ()
@@ -166,14 +167,3 @@ dnl
 	rm -f conf.gstreamertest
 ])
 
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