diff --git a/zUtil_Parameters/gtSaveParameters.m b/zUtil_Parameters/gtSaveParameters.m
index 975ca588a97cd5d2bc3fb78437d146011c8a99b7..f86e4c767f18869f039e2066e26a1b93ea09aace 100644
--- a/zUtil_Parameters/gtSaveParameters.m
+++ b/zUtil_Parameters/gtSaveParameters.m
@@ -5,6 +5,6 @@ function gtSaveParameters(parameters)
 %     if (~strcmp(pwd(), parameters.acq.dir))
 %         warning('gtSaveParameters:wrong_path', '')
 %     end
-    parameters_file_name = fullfile(parameters.acq.dir, 'parameters.mat');
+    parameters_file_name = fullfile(parameters.acq(1).dir, 'parameters.mat');
     save(parameters_file_name, 'parameters', '-v7.3');
 end