diff --git a/run.sh b/run.sh
index 2e45e3e..5495d7a 100755
--- a/run.sh
+++ b/run.sh
@@ -32,12 +32,12 @@ if [ ! -e "$VIRTUAL_ENV" ] || ! type deactivate &> /dev/null ; then
 	exit 1
 fi
 
-SSH2_PKG=`find ./venv -type d -wholename '*/site-packages/ssh2_python*' | wc -l | tr -d' '`
+SSH2_PKG=`find ./venv -type d -wholename '*/site-packages/ssh2_python*' | wc -l | tr -d ' '`
 if [ "$SSH2_PKG" = "0" ]; then
 	# install
 	python3 -m pip install -r requirements.txt
 	# check
-	SSH2_PKG=`find ./venv -type d -wholename '*/site-packages/ssh2_python*' | wc -l | tr -d' '`
+	SSH2_PKG=`find ./venv -type d -wholename '*/site-packages/ssh2_python*' | wc -l | tr -d ' '`
 	if [ "$SSH2_PKG" = "0" ]; then
 		echo "ERROR: XMiR: python3 package 'ssh2-python' not installed!"
 		deactivate