diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkerror.c b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkerror.c
index 293dd8a5ce..ed4c663381 100644
--- a/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkerror.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkerror.c
@@ -128,6 +128,7 @@ gst_vulkan_error_to_g_error (VkResult result, GError ** error,
 
   g_set_error (error, GST_VULKAN_ERROR, result, "%s (0x%x, %i): %s", result_str,
       result, result, string);
+  g_free (string);
 
   return result;
 }