diff --git a/em++.bat b/em++.bat
index 4f495e4781d5c..6bea4ee8250e3 100644
--- a/em++.bat
+++ b/em++.bat
@@ -2,7 +2,7 @@
 :: To modify this file, edit `tools/run_python_compiler.bat` and then run
 :: `tools/create_entry_points.py`
 
-@setlocal
+@setlocal enabledelayedexpansion
 @set EM_PY=%EMSDK_PYTHON%
 @if "%EM_PY%"=="" (
   set EM_PY=python
@@ -11,9 +11,9 @@
 @set ARGS=%*
 @if "%_EMCC_CCACHE%"=="" (
   :: Do regular invocation of em++.py compiler
-  "%EM_PY%" "%~dp0\%~n0.py" %ARGS:)=^)%
+  "%EM_PY%" "%~dp0\%~n0.py" !ARGS!
 ) else (
   :: Remove the ccache env. var, invoke ccache and re-enter this script to take the above branch.
   set _EMCC_CCACHE=
-  ccache "%~dp0\%~n0.bat" %ARGS:)=^)%
+  ccache "%~dp0\%~n0.bat" !ARGS!
 )
diff --git a/emcc.bat b/emcc.bat
index 4f495e4781d5c..6bea4ee8250e3 100644
--- a/emcc.bat
+++ b/emcc.bat
@@ -2,7 +2,7 @@
 :: To modify this file, edit `tools/run_python_compiler.bat` and then run
 :: `tools/create_entry_points.py`
 
-@setlocal
+@setlocal enabledelayedexpansion
 @set EM_PY=%EMSDK_PYTHON%
 @if "%EM_PY%"=="" (
   set EM_PY=python
@@ -11,9 +11,9 @@
 @set ARGS=%*
 @if "%_EMCC_CCACHE%"=="" (
   :: Do regular invocation of em++.py compiler
-  "%EM_PY%" "%~dp0\%~n0.py" %ARGS:)=^)%
+  "%EM_PY%" "%~dp0\%~n0.py" !ARGS!
 ) else (
   :: Remove the ccache env. var, invoke ccache and re-enter this script to take the above branch.
   set _EMCC_CCACHE=
-  ccache "%~dp0\%~n0.bat" %ARGS:)=^)%
+  ccache "%~dp0\%~n0.bat" !ARGS!
 )
diff --git a/tools/run_python_compiler.bat b/tools/run_python_compiler.bat
index 4f495e4781d5c..6bea4ee8250e3 100644
--- a/tools/run_python_compiler.bat
+++ b/tools/run_python_compiler.bat
@@ -2,7 +2,7 @@
 :: To modify this file, edit `tools/run_python_compiler.bat` and then run
 :: `tools/create_entry_points.py`
 
-@setlocal
+@setlocal enabledelayedexpansion
 @set EM_PY=%EMSDK_PYTHON%
 @if "%EM_PY%"=="" (
   set EM_PY=python
@@ -11,9 +11,9 @@
 @set ARGS=%*
 @if "%_EMCC_CCACHE%"=="" (
   :: Do regular invocation of em++.py compiler
-  "%EM_PY%" "%~dp0\%~n0.py" %ARGS:)=^)%
+  "%EM_PY%" "%~dp0\%~n0.py" !ARGS!
 ) else (
   :: Remove the ccache env. var, invoke ccache and re-enter this script to take the above branch.
   set _EMCC_CCACHE=
-  ccache "%~dp0\%~n0.bat" %ARGS:)=^)%
+  ccache "%~dp0\%~n0.bat" !ARGS!
 )