diff --git a/src/gstvpe.c b/src/gstvpe.c
index a5ed1ff..ae0bf9c 100644
--- a/src/gstvpe.c
+++ b/src/gstvpe.c
@@ -166,7 +166,7 @@ static gboolean
 gst_vpe_set_output_caps (GstVpe * self)
 {
   GstCaps *outcaps;
-  GstStructure *s, *out_s;
+  GstStructure *s, *out_s = NULL;
   gint fps_n, fps_d;
   gint par_width, par_height;
   const gchar *fmt = NULL;
@@ -184,9 +184,10 @@ gst_vpe_set_output_caps (GstVpe * self)
           && gst_caps_is_strictly_equal (outcaps, self->output_caps))) {
     GST_DEBUG_OBJECT (self, "Downstream allowed caps: %s",
         gst_caps_to_string (outcaps));
-    out_s = gst_caps_get_structure (outcaps, 0);
-    fmt = gst_structure_get_string (out_s, "format");
-
+    if(gst_caps_get_size(outcaps) > 0 ) {
+	out_s = gst_caps_get_structure (outcaps, 0);
+	fmt = gst_structure_get_string (out_s, "format");
+    }
     if (out_s &&
         gst_structure_get_int (out_s, "width", &self->output_width) &&
         gst_structure_get_int (out_s, "height", &self->output_height) && fmt) {
@@ -210,8 +211,8 @@ gst_vpe_set_output_caps (GstVpe * self)
           2 : self->input_crop.c.height;
       self->output_width = self->input_crop.c.width;
     } else {
-      self->output_height = self->input_height;
-      self->output_width = self->input_width;
+      self->output_height = self->input_crop.c.height;
+      self->output_width = self->input_crop.c.width;
     }
     self->output_fourcc = GST_MAKE_FOURCC ('N', 'V', '1', '2');
   }