diff --git a/Sming/Arch/Esp32/Tools/install.sh b/Sming/Arch/Esp32/Tools/install.sh
index b563e0ccd3..850d989cec 100755
--- a/Sming/Arch/Esp32/Tools/install.sh
+++ b/Sming/Arch/Esp32/Tools/install.sh
@@ -35,7 +35,7 @@ case $DIST in
 	_OK=1
 	_COMMANDS=(dfu-util bison flex gperf)
 	for _COMMAND in "${_COMMANDS[@]}"; do
-	    if ! [ -x "$(command -v ${_COMMAND})" ]; then
+	    if ! [ -x "$(command -v \"${_COMMAND}\")" ]; then
 		_OK=0
 		echo "Install programm ${_COMMAND}"
 	    fi
diff --git a/Tools/install.sh b/Tools/install.sh
index b52b618e7c..b2657ff4d4 100755
--- a/Tools/install.sh
+++ b/Tools/install.sh
@@ -115,7 +115,7 @@ else
 	    wget \
 	    )
     for _TOOL in "${_REQUIRED_TOOLS[@]}"; do
-	if ! [ -x "$(command -v $_TOOL)" ]; then
+	if ! [ -x "$(command -v \"${_TOOL}\")" ]; then
 	    _OK=0
 	    echo "Install required tool ${_TOOL}"
 	fi