diff --git a/core_functions.sh b/core_functions.sh
index c385550..c138a15 100644
--- a/core_functions.sh
+++ b/core_functions.sh
@@ -467,9 +467,9 @@ function installAppsFromList () {
   for i in $Apps; do
     app=(${i//;/ })
     if [ "${app[2]}" == "$1" ]; then
-      processAppTrtFct ${app[3]} pre
+      processAppTrtFct ${app[3]} "pre"
       installPackage ${app[1]} ${app[0]}
-      processAppTrtFct ${app[3]} post
+      processAppTrtFct ${app[3]} "post"
     fi
   done
 }
@@ -512,9 +512,9 @@ function installAppsFromListMenu () {
       for i in $Apps; do
         app=(${i//;/ })
         if [ "${app[3]}" == "${pkgToInstall//\"}" ]; then
-          processAppTrtFct ${app[3]} pre
+          processAppTrtFct ${app[3]} "pre"
           installPackage ${app[1]} ${app[0]}
-          processAppTrtFct ${app[3]} post
+          processAppTrtFct ${app[3]} "post"
         fi
       done
     done