diff --git a/validate/data/gstvalidate.supp b/validate/data/gstvalidate.supp
index 9fc0dc1bd0..8ef59db3a6 100644
--- a/validate/data/gstvalidate.supp
+++ b/validate/data/gstvalidate.supp
@@ -78,3 +78,33 @@
    fun:drmIoctl
    fun:drmPrimeHandleToFD
 }
+
+# PENDING: https://bugzilla.gnome.org/show_bug.cgi?id=749232
+# x264 errors
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Cond
+   ...
+   fun:x264_encoder_encode
+}
+
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Value8
+   ...
+   fun:x264_encoder_encode
+}
+
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Cond
+   ...
+   fun:x264_lookahead_thread
+}
+
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Cond
+   ...
+   fun:x264_threadpool_thread
+}