diff --git a/build.bat b/build.bat
index b70c253..ff18de5 100644
--- a/build.bat
+++ b/build.bat
@@ -4,7 +4,7 @@ setlocal
 if not exist .\build\* mkdir build
 
 set flags=
-if "%1"=="--italics-hack" (
+if "%1"=="--italics-hack-off" (
 	set flags=%1
 	shift
 )
diff --git a/build.sh b/build.sh
index ea9765a..3ccf9d0 100755
--- a/build.sh
+++ b/build.sh
@@ -24,7 +24,7 @@ build_font() {
 }
 
 flags=
-if [ "$1" = "--italics-hack" ]
+if [ "$1" = "--italics-hack-off" ]
 then
     flags=$1
     shift
diff --git a/index.js b/index.js
index afec6c9..0d3363f 100644
--- a/index.js
+++ b/index.js
@@ -21,7 +21,7 @@ let italicsHack = false;
 function main() {
   fontName = process.argv[2];
   italicsHack =
-    process.argv[3] === '--italics-hack' && fontName.includes('Italic');
+    fontName.includes('Italic') && process.argv[3] !== '--italics-hack-off';
 
   ligFontName = fontName.split('-').join('Lig-');