diff --git a/ext/metadata/gstmetadatademux.c b/ext/metadata/gstmetadatademux.c
index b552b19e19..5978a0a957 100644
--- a/ext/metadata/gstmetadatademux.c
+++ b/ext/metadata/gstmetadatademux.c
@@ -129,7 +129,7 @@ enum
  */
 
 
-GST_DEBUG_CATEGORY_STATIC (gst_metadata_demux_debug);
+GST_DEBUG_CATEGORY (gst_metadata_demux_debug);
 #define GST_CAT_DEFAULT gst_metadata_demux_debug
 
 #define GOTO_DONE_IF_NULL(ptr) \
diff --git a/ext/metadata/gstmetadatamux.c b/ext/metadata/gstmetadatamux.c
index e28d2db9f7..218afa6745 100644
--- a/ext/metadata/gstmetadatamux.c
+++ b/ext/metadata/gstmetadatamux.c
@@ -111,7 +111,7 @@ enum
  */
 
 
-GST_DEBUG_CATEGORY_STATIC (gst_metadata_mux_debug);
+GST_DEBUG_CATEGORY (gst_metadata_mux_debug);
 #define GST_CAT_DEFAULT gst_metadata_mux_debug
 
 #define GOTO_DONE_IF_NULL(ptr) \
diff --git a/ext/metadata/metadatamuxjpeg.c b/ext/metadata/metadatamuxjpeg.c
index 6f4a73330b..ef258dbf69 100644
--- a/ext/metadata/metadatamuxjpeg.c
+++ b/ext/metadata/metadatamuxjpeg.c
@@ -85,6 +85,9 @@
 #include <libiptcdata/iptc-jpeg.h>
 #endif
 
+GST_DEBUG_CATEGORY_EXTERN (gst_metadata_mux_debug);
+#define GST_CAT_DEFAULT gst_metadata_mux_debug
+
 /*
  * defines and macros
  */
diff --git a/ext/metadata/metadatamuxpng.c b/ext/metadata/metadatamuxpng.c
index 5033b684d0..68904f6a75 100644
--- a/ext/metadata/metadatamuxpng.c
+++ b/ext/metadata/metadatamuxpng.c
@@ -80,6 +80,9 @@
 
 #include <string.h>
 
+GST_DEBUG_CATEGORY_EXTERN (gst_metadata_mux_debug);
+#define GST_CAT_DEFAULT gst_metadata_mux_debug
+
 /*
  * defines and macros
  */
diff --git a/ext/metadata/metadataparsejpeg.c b/ext/metadata/metadataparsejpeg.c
index 0fe520174a..9c2f032dea 100644
--- a/ext/metadata/metadataparsejpeg.c
+++ b/ext/metadata/metadataparsejpeg.c
@@ -90,6 +90,9 @@
 #include "metadataiptc.h"
 #endif
 
+GST_DEBUG_CATEGORY_EXTERN (gst_metadata_demux_debug);
+#define GST_CAT_DEFAULT gst_metadata_demux_debug
+
 /*
  * defines and macros
  */
diff --git a/ext/metadata/metadataparsepng.c b/ext/metadata/metadataparsepng.c
index 45c8da4b9f..57afbc416d 100644
--- a/ext/metadata/metadataparsepng.c
+++ b/ext/metadata/metadataparsepng.c
@@ -70,6 +70,9 @@
 
 #include <string.h>
 
+GST_DEBUG_CATEGORY_EXTERN (gst_metadata_demux_debug);
+#define GST_CAT_DEFAULT gst_metadata_demux_debug
+
 /*
  * defines and macros
  */
diff --git a/ext/metadata/metadataparseutil.c b/ext/metadata/metadataparseutil.c
index 794d534a4f..185ad0affd 100644
--- a/ext/metadata/metadataparseutil.c
+++ b/ext/metadata/metadataparseutil.c
@@ -55,6 +55,9 @@
 #include "metadataparseutil.h"
 #include <string.h>
 
+GST_DEBUG_CATEGORY_EXTERN (gst_metadata_demux_debug);
+#define GST_CAT_DEFAULT gst_metadata_demux_debug
+
 /*
  * extern functions implementations
  */