diff --git a/gst/audioparsers/gstaacparse.c b/gst/audioparsers/gstaacparse.c
index 7b6cdced2c..745e95be67 100644
--- a/gst/audioparsers/gstaacparse.c
+++ b/gst/audioparsers/gstaacparse.c
@@ -1375,7 +1375,15 @@ gst_aac_parse_sink_getcaps (GstBaseParse * parse, GstCaps * filter)
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
 
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
+
   if (peercaps) {
     peercaps = gst_caps_make_writable (peercaps);
     /* Remove the fields we convert */
diff --git a/gst/audioparsers/gstac3parse.c b/gst/audioparsers/gstac3parse.c
index 5ad753ed77..f63dec4cb7 100644
--- a/gst/audioparsers/gstac3parse.c
+++ b/gst/audioparsers/gstac3parse.c
@@ -820,7 +820,14 @@ gst_ac3_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the framed and alignment field. We can convert
diff --git a/gst/audioparsers/gstdcaparse.c b/gst/audioparsers/gstdcaparse.c
index 5b18af4a36..0f3cac4ca2 100644
--- a/gst/audioparsers/gstdcaparse.c
+++ b/gst/audioparsers/gstdcaparse.c
@@ -494,7 +494,14 @@ gst_dca_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the framed field */
diff --git a/gst/audioparsers/gstflacparse.c b/gst/audioparsers/gstflacparse.c
index 4a8794d4ce..6619f9ed90 100644
--- a/gst/audioparsers/gstflacparse.c
+++ b/gst/audioparsers/gstflacparse.c
@@ -1813,7 +1813,14 @@ gst_flac_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the framed field */
diff --git a/gst/audioparsers/gstmpegaudioparse.c b/gst/audioparsers/gstmpegaudioparse.c
index 8c63c04ff7..534f466939 100644
--- a/gst/audioparsers/gstmpegaudioparse.c
+++ b/gst/audioparsers/gstmpegaudioparse.c
@@ -1418,7 +1418,14 @@ gst_mpeg_audio_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the parsed field */
diff --git a/gst/audioparsers/gstsbcparse.c b/gst/audioparsers/gstsbcparse.c
index d3a900eaf0..307cb27fa1 100644
--- a/gst/audioparsers/gstsbcparse.c
+++ b/gst/audioparsers/gstsbcparse.c
@@ -319,7 +319,14 @@ gst_sbc_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the parsed field */
diff --git a/gst/audioparsers/gstwavpackparse.c b/gst/audioparsers/gstwavpackparse.c
index f2c67654d5..68460481f3 100644
--- a/gst/audioparsers/gstwavpackparse.c
+++ b/gst/audioparsers/gstwavpackparse.c
@@ -628,7 +628,14 @@ gst_wavpack_parse_get_sink_caps (GstBaseParse * parse, GstCaps * filter)
   GstCaps *res;
 
   templ = gst_pad_get_pad_template_caps (GST_BASE_PARSE_SINK_PAD (parse));
-  peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), filter);
+  if (filter) {
+    GstCaps *fcopy = gst_caps_copy (filter);
+    /* Remove the fields we convert */
+    remove_fields (fcopy);
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), fcopy);
+    gst_caps_unref (fcopy);
+  } else
+    peercaps = gst_pad_peer_query_caps (GST_BASE_PARSE_SRC_PAD (parse), NULL);
 
   if (peercaps) {
     /* Remove the framed field */