diff --git a/validate/gst/validate/gst-validate-pad-monitor.c b/validate/gst/validate/gst-validate-pad-monitor.c
index 87dadff84d..ec614d68dc 100644
--- a/validate/gst/validate/gst-validate-pad-monitor.c
+++ b/validate/gst/validate/gst-validate-pad-monitor.c
@@ -1513,6 +1513,13 @@ gst_validate_pad_monitor_setcaps_pre (GstValidatePadMonitor * pad_monitor,
 {
   GstStructure *structure;
 
+  /* Check if caps are identical to last caps and complain if so */
+  if (pad_monitor->last_caps
+      && gst_caps_is_equal (caps, pad_monitor->last_caps)) {
+    GST_VALIDATE_REPORT (pad_monitor, EVENT_CAPS_DUPLICATE, "%" GST_PTR_FORMAT,
+        caps);
+  }
+
   gst_validate_pad_monitor_check_caps_complete (pad_monitor, caps);
 
   if (caps) {
@@ -1574,6 +1581,12 @@ gst_validate_pad_monitor_setcaps_post (GstValidatePadMonitor * pad_monitor,
 {
   if (!ret)
     gst_validate_pad_monitor_otherpad_clear_pending_fields (pad_monitor);
+  else {
+    if (pad_monitor->last_caps) {
+      gst_caps_unref (pad_monitor->last_caps);
+    }
+    pad_monitor->last_caps = gst_caps_ref (caps);
+  }
 }
 
 static gboolean
@@ -1596,6 +1609,8 @@ gst_validate_pad_monitor_do_setup (GstValidateMonitor * monitor)
 
   g_object_set_data ((GObject *) pad, "qa-monitor", pad_monitor);
 
+  pad_monitor->pad = pad;
+
   pad_monitor->event_func = GST_PAD_EVENTFUNC (pad);
   pad_monitor->query_func = GST_PAD_QUERYFUNC (pad);
   if (GST_PAD_DIRECTION (pad) == GST_PAD_SINK) {
diff --git a/validate/gst/validate/gst-validate-pad-monitor.h b/validate/gst/validate/gst-validate-pad-monitor.h
index d923534415..5b11dbad41 100644
--- a/validate/gst/validate/gst-validate-pad-monitor.h
+++ b/validate/gst/validate/gst-validate-pad-monitor.h
@@ -68,6 +68,9 @@ struct _GstValidatePadMonitor {
   gulong pad_probe_id;
 
   /*< private >*/
+  /* Last caps pushed/received */
+  GstCaps *last_caps;
+  /* FIXME : Let's migrate all those booleans into a 32 (or 64) bit flag */
   gboolean first_buffer;
 
   gboolean has_segment;
diff --git a/validate/gst/validate/gst-validate-report.c b/validate/gst/validate/gst-validate-report.c
index d0372da974..a51d190afb 100644
--- a/validate/gst/validate/gst-validate-report.c
+++ b/validate/gst/validate/gst-validate-report.c
@@ -164,6 +164,8 @@ gst_validate_report_load_issues (void)
       _("received an unexpected flush start event"), NULL);
   REGISTER_VALIDATE_ISSUE (WARNING, EVENT_FLUSH_STOP_UNEXPECTED,
       _("received an unexpected flush stop event"), NULL);
+  REGISTER_VALIDATE_ISSUE (WARNING, EVENT_CAPS_DUPLICATE,
+      _("received the same caps twice"), NULL);
 
   REGISTER_VALIDATE_ISSUE (CRITICAL, EVENT_SEEK_NOT_HANDLED,
       _("seek event wasn't handled"), NULL);
diff --git a/validate/gst/validate/gst-validate-report.h b/validate/gst/validate/gst-validate-report.h
index 09ea4a46ea..207f63b2a8 100644
--- a/validate/gst/validate/gst-validate-report.h
+++ b/validate/gst/validate/gst-validate-report.h
@@ -86,6 +86,7 @@ typedef enum {
 #define GST_VALIDATE_ISSUE_ID_EVENT_NEW_SEGMENT_MISMATCH            (((GstValidateIssueId) GST_VALIDATE_AREA_EVENT) << GST_VALIDATE_ISSUE_ID_SHIFT | 5)
 #define GST_VALIDATE_ISSUE_ID_EVENT_FLUSH_START_UNEXPECTED          (((GstValidateIssueId) GST_VALIDATE_AREA_EVENT) << GST_VALIDATE_ISSUE_ID_SHIFT | 6)
 #define GST_VALIDATE_ISSUE_ID_EVENT_FLUSH_STOP_UNEXPECTED           (((GstValidateIssueId) GST_VALIDATE_AREA_EVENT) << GST_VALIDATE_ISSUE_ID_SHIFT | 7)
+#define GST_VALIDATE_ISSUE_ID_EVENT_CAPS_DUPLICATE                  (((GstValidateIssueId) GST_VALIDATE_AREA_EVENT) << GST_VALIDATE_ISSUE_ID_SHIFT | 8)
 
 #define GST_VALIDATE_ISSUE_ID_EVENT_SEEK_NOT_HANDLED           (((GstValidateIssueId) GST_VALIDATE_AREA_SEEK) << GST_VALIDATE_ISSUE_ID_SHIFT | 1)
 #define GST_VALIDATE_ISSUE_ID_EVENT_SEEK_RESULT_POSITION_WRONG (((GstValidateIssueId) GST_VALIDATE_AREA_SEEK) << GST_VALIDATE_ISSUE_ID_SHIFT | 2)