diff --git a/utils/babeltrace_thapi.in b/utils/babeltrace_thapi.in
index d311d59c..865b3669 100755
--- a/utils/babeltrace_thapi.in
+++ b/utils/babeltrace_thapi.in
@@ -266,7 +266,7 @@ def thapi_metadata(trace)
     exit(1)
   end
 
-  @thapi_metadata[trace] ||= YAML.load_file(File.join(trace, THAPI_METADATA_FILE))
+  @thapi_metadata[trace] ||= YAML.load_file(full_path)
 end
 
 def modify_metadata(command, trace)