diff --git a/ext/bz2/gstbz2dec.c b/ext/bz2/gstbz2dec.c
index 2d873b83c2..5a06b19202 100644
--- a/ext/bz2/gstbz2dec.c
+++ b/ext/bz2/gstbz2dec.c
@@ -104,11 +104,11 @@ gst_bz2dec_decompress_init (GstBz2dec * b)
 static GstFlowReturn
 gst_bz2dec_chain (GstPad * pad, GstObject * parent, GstBuffer * in)
 {
-  GstFlowReturn flow;
+  GstFlowReturn flow = GST_FLOW_OK;
   GstBuffer *out;
   GstBz2dec *b;
   int r = BZ_OK;
-  GstMapInfo map, omap;
+  GstMapInfo map = GST_MAP_INFO_INIT, omap;
 
   b = GST_BZ2DEC (parent);
 
diff --git a/ext/bz2/gstbz2enc.c b/ext/bz2/gstbz2enc.c
index 5ff872c98e..c1c1ee1fc9 100644
--- a/ext/bz2/gstbz2enc.c
+++ b/ext/bz2/gstbz2enc.c
@@ -108,7 +108,7 @@ gst_bz2enc_event (GstPad * pad, GstObject * parent, GstEvent * e)
   b = GST_BZ2ENC (parent);
   switch (GST_EVENT_TYPE (e)) {
     case GST_EVENT_EOS:{
-      GstFlowReturn flow;
+      GstFlowReturn flow = GST_FLOW_OK;
       int r = BZ_FINISH_OK;
 
       do {
@@ -173,7 +173,7 @@ gst_bz2enc_chain (GstPad * pad, GstObject * parent, GstBuffer * in)
   GstBz2enc *b;
   guint n;
   int bz2_ret;
-  GstMapInfo map, omap;
+  GstMapInfo map = GST_MAP_INFO_INIT, omap;
 
   b = GST_BZ2ENC (parent);