diff --git a/script/get-generic-python-lib/install.bat b/script/get-generic-python-lib/install.bat
index e74450c72..7feef97b7 100644
--- a/script/get-generic-python-lib/install.bat
+++ b/script/get-generic-python-lib/install.bat
@@ -2,12 +2,12 @@ echo.
 
 if NOT "%MLC_GENERIC_PYTHON_PIP_URL%" == "" (
 
-  %MLC_PYTHON_BIN_WITH_PATH% -m pip install %MLC_GENERIC_PYTHON_PIP_URL% %MLC_GENERIC_PYTHON_PIP_EXTRA%
+  "%MLC_PYTHON_BIN_WITH_PATH%" -m pip install %MLC_GENERIC_PYTHON_PIP_URL% %MLC_GENERIC_PYTHON_PIP_EXTRA%
   IF %ERRORLEVEL% NEQ 0 EXIT 1
 
 ) else (
 
-  %MLC_PYTHON_BIN_WITH_PATH% -m pip install %MLC_GENERIC_PYTHON_PACKAGE_NAME%%MLC_TMP_PIP_VERSION_STRING% %MLC_GENERIC_PYTHON_PIP_EXTRA%
+  "%MLC_PYTHON_BIN_WITH_PATH%" -m pip install %MLC_GENERIC_PYTHON_PACKAGE_NAME%%MLC_TMP_PIP_VERSION_STRING% %MLC_GENERIC_PYTHON_PIP_EXTRA%
   IF %ERRORLEVEL% NEQ 0 EXIT 1
 
 )
diff --git a/script/get-generic-python-lib/run.bat b/script/get-generic-python-lib/run.bat
index 17e27e030..af803d720 100644
--- a/script/get-generic-python-lib/run.bat
+++ b/script/get-generic-python-lib/run.bat
@@ -1,4 +1,4 @@
-IF NOT DEFINED MLC_TMP_CURRENT_SCRIPT_PATH SET MLC_TMP_CURRENT_SCRIPT_PATH=%CD%
+IF NOT DEFINED MLC_TMP_CURRENT_SCRIPT_PATH SET "MLC_TMP_CURRENT_SCRIPT_PATH=%CD%"
 
-%MLC_PYTHON_BIN_WITH_PATH% %MLC_TMP_CURRENT_SCRIPT_PATH%\detect-version.py
+%MLC_PYTHON_BIN_WITH_PATH% "%MLC_TMP_CURRENT_SCRIPT_PATH%\detect-version.py"
 IF %ERRORLEVEL% NEQ 0 EXIT 1
diff --git a/script/get-generic-python-lib/run.sh b/script/get-generic-python-lib/run.sh
index 2df36823d..9a98e610e 100644
--- a/script/get-generic-python-lib/run.sh
+++ b/script/get-generic-python-lib/run.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-MLC_TMP_CURRENT_SCRIPT_PATH=${MLC_TMP_CURRENT_SCRIPT_PATH:-$PWD}
+MLC_TMP_CURRENT_SCRIPT_PATH="${MLC_TMP_CURRENT_SCRIPT_PATH:-$PWD}"
 
-${MLC_PYTHON_BIN_WITH_PATH} ${MLC_TMP_CURRENT_SCRIPT_PATH}/detect-version.py
+"${MLC_PYTHON_BIN_WITH_PATH}" "${MLC_TMP_CURRENT_SCRIPT_PATH}/detect-version.py"
 test $? -eq 0 || exit $?
 exit 0
diff --git a/script/get-generic-python-lib/validate_cache.bat b/script/get-generic-python-lib/validate_cache.bat
index 17e27e030..c3bac688b 100644
--- a/script/get-generic-python-lib/validate_cache.bat
+++ b/script/get-generic-python-lib/validate_cache.bat
@@ -1,4 +1,4 @@
-IF NOT DEFINED MLC_TMP_CURRENT_SCRIPT_PATH SET MLC_TMP_CURRENT_SCRIPT_PATH=%CD%
+IF NOT DEFINED MLC_TMP_CURRENT_SCRIPT_PATH SET "MLC_TMP_CURRENT_SCRIPT_PATH=%CD%"
 
-%MLC_PYTHON_BIN_WITH_PATH% %MLC_TMP_CURRENT_SCRIPT_PATH%\detect-version.py
+"%MLC_PYTHON_BIN_WITH_PATH%" "%MLC_TMP_CURRENT_SCRIPT_PATH%\detect-version.py"
 IF %ERRORLEVEL% NEQ 0 EXIT 1
diff --git a/script/get-generic-python-lib/validate_cache.sh b/script/get-generic-python-lib/validate_cache.sh
index 2df36823d..9a98e610e 100644
--- a/script/get-generic-python-lib/validate_cache.sh
+++ b/script/get-generic-python-lib/validate_cache.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
-MLC_TMP_CURRENT_SCRIPT_PATH=${MLC_TMP_CURRENT_SCRIPT_PATH:-$PWD}
+MLC_TMP_CURRENT_SCRIPT_PATH="${MLC_TMP_CURRENT_SCRIPT_PATH:-$PWD}"
 
-${MLC_PYTHON_BIN_WITH_PATH} ${MLC_TMP_CURRENT_SCRIPT_PATH}/detect-version.py
+"${MLC_PYTHON_BIN_WITH_PATH}" "${MLC_TMP_CURRENT_SCRIPT_PATH}/detect-version.py"
 test $? -eq 0 || exit $?
 exit 0