diff --git a/gst/subparse/gstssaparse.c b/gst/subparse/gstssaparse.c
index 6a88d01099..9ac8346719 100644
--- a/gst/subparse/gstssaparse.c
+++ b/gst/subparse/gstssaparse.c
@@ -24,6 +24,7 @@
 #include "config.h"
 #endif
 
+#include <stdlib.h>             /* atoi() */
 #include <string.h>
 
 #include "gstssaparse.h"