diff --git a/gst/gstcaps.c b/gst/gstcaps.c
index 01f8934be1..0d01951362 100644
--- a/gst/gstcaps.c
+++ b/gst/gstcaps.c
@@ -1049,6 +1049,7 @@ gst_caps_set_simple_valist (GstCaps * caps, const char *field, va_list varargs)
     G_VALUE_COLLECT_INIT (&value, type, varargs, 0, &err);
     if (G_UNLIKELY (err)) {
       g_critical ("%s", err);
+      g_free (err);
       return;
     }
 
diff --git a/gst/gstchildproxy.c b/gst/gstchildproxy.c
index 1bf983afa4..22c5d1aa0a 100644
--- a/gst/gstchildproxy.c
+++ b/gst/gstchildproxy.c
@@ -452,6 +452,7 @@ cant_copy:
         (GST_IS_OBJECT (object) ? GST_OBJECT_NAME (object) : ""), error);
     g_value_unset (&value);
     g_object_unref (target);
+    g_free (error);
     return;
   }
 }
diff --git a/gst/gststructure.c b/gst/gststructure.c
index b6f3d2ef83..d9b1dcf9ce 100644
--- a/gst/gststructure.c
+++ b/gst/gststructure.c
@@ -631,6 +631,7 @@ gst_structure_set_valist_internal (GstStructure * structure,
     G_VALUE_COLLECT_INIT (&field.value, type, varargs, 0, &err);
     if (G_UNLIKELY (err)) {
       g_critical ("%s", err);
+      g_free (err);
       return;
     }
     gst_structure_set_field (structure, &field);
@@ -697,6 +698,7 @@ gst_structure_id_set_valist_internal (GstStructure * structure,
     G_VALUE_COLLECT_INIT (&field.value, type, varargs, 0, &err);
     if (G_UNLIKELY (err)) {
       g_critical ("%s", err);
+      g_free (err);
       return;
     }
     gst_structure_set_field (structure, &field);
diff --git a/gst/gsttracerrecord.c b/gst/gsttracerrecord.c
index 2446a6e9c6..639a4ccbb3 100644
--- a/gst/gsttracerrecord.c
+++ b/gst/gsttracerrecord.c
@@ -208,6 +208,7 @@ gst_tracer_record_new (const gchar * name, const gchar * firstfield, ...)
     G_VALUE_COLLECT_INIT (&val, type, varargs, G_VALUE_NOCOPY_CONTENTS, &err);
     if (G_UNLIKELY (err)) {
       g_critical ("%s", err);
+      g_free (err);
       break;
     }
     /* see boxed_proxy_collect_value */