diff --git a/misc/actpkg.sh b/misc/actpkg.sh
index 2a22a340..02bfa8f2 100644
--- a/misc/actpkg.sh
+++ b/misc/actpkg.sh
@@ -2,14 +2,19 @@
 
 expect <<EOF
     set timeout 180
-    if [[ ${1} == *.deb ]]; then
+    file_extension=$(basename "${1}" | awk -F . '{print $NF}')
+    case $file_extension in
+    deb)
         spawn dpkg -i --force-all ${1}
-    elif [[ ${1} == *.rpm ]]; then
+        ;;
+    rpm)
         spawn rpm -Uvh ${1}
-    else
+        ;;
+    *)
         exit 1 
         #"The file does not have a .deb or .rpm extension"
-    fi      
+        ;;
+    esac      
     expect {
         "y/n" { send "n\n";exp_continue }
     }