diff --git a/reformat-all.sh b/reformat-all.sh
index 8be23e0..4964df2 100644
--- a/reformat-all.sh
+++ b/reformat-all.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 ALL_FORMATABLE_FILES=$(find src include tests example -name '*.cpp' -o -name '*.hpp')
-CLANG_FORMAT_ARGS="-i -style=file --verbose"
+CLANG_FORMAT_ARGS="-style=file --verbose"
 
 echo "*** Modbus Clang Format Wrapper **"
 clang-format --version
@@ -9,5 +9,5 @@ clang-format --version
 if [[ "$DRY" = "TRUE" ]]; then
     exec clang-format --dry-run $CLANG_FORMAT_ARGS $ALL_FORMATABLE_FILES
 else
-    exec clang-format $CLANG_FORMAT_ARGS $ALL_FORMATABLE_FILES
+    exec clang-format -i $CLANG_FORMAT_ARGS $ALL_FORMATABLE_FILES
 fi