diff --git a/gst/equalizer/gstiirequalizer.c b/gst/equalizer/gstiirequalizer.c
index ff11c9e713..1bb240e946 100644
--- a/gst/equalizer/gstiirequalizer.c
+++ b/gst/equalizer/gstiirequalizer.c
@@ -53,7 +53,7 @@ static gboolean gst_iir_equalizer_setup (GstAudioFilter * filter,
 static GstFlowReturn gst_iir_equalizer_transform_ip (GstBaseTransform * btrans,
     GstBuffer * buf);
 
-GST_DEBUG_CATEGORY_EXTERN ()(equalizer_debug);
+GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
 #define GST_CAT_DEFAULT equalizer_debug
 
 #define ALLOWED_CAPS \
diff --git a/gst/equalizer/gstiirequalizer10bands.c b/gst/equalizer/gstiirequalizer10bands.c
index 417f294360..fb599d7ec2 100644
--- a/gst/equalizer/gstiirequalizer10bands.c
+++ b/gst/equalizer/gstiirequalizer10bands.c
@@ -66,7 +66,7 @@ static void gst_iir_equalizer_10bands_set_property (GObject * object,
 static void gst_iir_equalizer_10bands_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec);
 
-GST_DEBUG_CATEGORY_EXTERN ()(equalizer_debug);
+GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
 #define GST_CAT_DEFAULT equalizer_debug
 
 GST_BOILERPLATE (GstIirEqualizer10Bands, gst_iir_equalizer_10bands,
diff --git a/gst/equalizer/gstiirequalizer3bands.c b/gst/equalizer/gstiirequalizer3bands.c
index aa9a98b2f5..17e7b55330 100644
--- a/gst/equalizer/gstiirequalizer3bands.c
+++ b/gst/equalizer/gstiirequalizer3bands.c
@@ -54,7 +54,7 @@ static void gst_iir_equalizer_3bands_set_property (GObject * object,
 static void gst_iir_equalizer_3bands_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec);
 
-GST_DEBUG_CATEGORY_EXTERN ()(equalizer_debug);
+GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
 #define GST_CAT_DEFAULT equalizer_debug
 
 GST_BOILERPLATE (GstIirEqualizer3Bands, gst_iir_equalizer_3bands,
diff --git a/gst/equalizer/gstiirequalizernbands.c b/gst/equalizer/gstiirequalizernbands.c
index c03ca01f7d..788dded800 100644
--- a/gst/equalizer/gstiirequalizernbands.c
+++ b/gst/equalizer/gstiirequalizernbands.c
@@ -53,7 +53,7 @@ static void gst_iir_equalizer_nbands_set_property (GObject * object,
 static void gst_iir_equalizer_nbands_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec);
 
-GST_DEBUG_CATEGORY_EXTERN ()(equalizer_debug);
+GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
 #define GST_CAT_DEFAULT equalizer_debug
 
 GST_BOILERPLATE (GstIirEqualizerNBands, gst_iir_equalizer_nbands,