diff --git a/examples/main.c b/examples/main.c
index 5adadfd26605a5eba39f89a9ad148a09789b9224..0dafea744f4250c71d5ac1b28d4a465fe42e0690 100644
--- a/examples/main.c
+++ b/examples/main.c
@@ -464,8 +464,8 @@ int main(int argc, char *argv[]) {
     error("Error allocating memory for the output fields file.");
 
   char outputFieldsFileName[200];
-  parser_get_opt_param_string(params, "Snapshots:FieldsFilename",
-			      outputFieldsFileName, "");
+  parser_get_param_string(params, "Snapshots:FieldsFilename",
+			  outputFieldsFileName);
   if (myrank == 0) {
     message("Reading runtime output fields from file '%s'",
             outputFieldsFileName);