diff --git a/src/common_io.c b/src/common_io.c
index 677e0295978b28fda80fb18e989d9a88487f4e2c..768a9c03867ff98f9602989c7d7c6e9be8f237a4 100644
--- a/src/common_io.c
+++ b/src/common_io.c
@@ -1805,8 +1805,8 @@ void io_check_output_fields(const struct swift_params* params,
       /* loop over each possible output field */
       for (int field_id = 0; field_id < num_fields; field_id++) {
         char field_name[PARSER_MAX_LINE_SIZE];
-        sprintf(field_name, "SelectOutput:%.*s_%s", FIELD_BUFFER_SIZE, 
-		list[field_id].name, part_type_names[ptype]);
+        sprintf(field_name, "SelectOutput:%.*s_%s", FIELD_BUFFER_SIZE,
+                list[field_id].name, part_type_names[ptype]);
 
         if (strcmp(param_name, field_name) == 0) {
           found = 1;
diff --git a/src/serial_io.c b/src/serial_io.c
index d0858766c6fce81cda85a780dea58ac5c5eddee3..220f7b3eb403a991c8cdc8f3a4ebf6add8f4d261 100644
--- a/src/serial_io.c
+++ b/src/serial_io.c
@@ -1359,8 +1359,8 @@ void write_output_serial(struct engine* e, const char* baseName,
 
           /* Did the user cancel this field? */
           char field[PARSER_MAX_LINE_SIZE];
-          sprintf(field, "SelectOutput:%.*s_%s", FIELD_BUFFER_SIZE, list[i].name,
-                  part_type_names[ptype]);
+          sprintf(field, "SelectOutput:%.*s_%s", FIELD_BUFFER_SIZE,
+                  list[i].name, part_type_names[ptype]);
           int should_write = parser_get_opt_param_int(params, field, 1);
 
           if (should_write)