diff --git a/install b/install
index 205f0b5..31289b4 100755
--- a/install
+++ b/install
@@ -29,11 +29,11 @@ install() {
     if [ $? -ne 0 ]
         then
             echo "alias dm='sudo clidmanager'" >> ~/.bashrc
-    exists2=$(grep -i "alias clidmanager='sudo clidmanager'" ~/.bashrc)        
+    exists=$(grep -i "alias clidmanager='sudo clidmanager'" ~/.bashrc)        
     elif [ $? -ne 0 ]
         then
             echo "alias clidmanager='sudo clidmanager'" >> ~/.bashrc
-    exists3=$(grep -i "alias dw='source docker_work'" ~/.bashrc)
+    exists=$(grep -i "alias dw='source docker_work'" ~/.bashrc)
     elif [ $? -ne 0 ]
         then
             echo "alias dw='source docker_work'" >> ~/.bashrc 
@@ -57,7 +57,7 @@ install() {
 
 }
 
-remove() [
+remove() {
 
     sed -i -e /"alias dm='sudo clidmanager'"/d ~/.bashrc && \
     sed -i -e /"alias clidmanager='sudo clidmanager'"/d ~/.bashrc && \
@@ -69,7 +69,7 @@ remove() [
     echo
     read -p "Enter zum beenden drücken..."
 
-]
+}
 
 which clidmanager >/dev/null
 if [ $? -eq 0 ]
@@ -89,7 +89,7 @@ if [ $? -eq 0 ]
 
         esac
 else 
-    which compose >/dev/null || which docker-compose >/dev/null
+    docker compose version
     if [ $? -ne 0 ]
         then
         echo "Docker Compose wird für die verwendung von clidmanager benötigt."