diff --git a/neofetch b/neofetch
index f9616dee..056b997d 100755
--- a/neofetch
+++ b/neofetch
@@ -650,40 +650,40 @@ getpackages () {
                 packages="$(pacman -Qq --color never | wc -l)"
 
             type -p dpkg >/dev/null 2>&1 && \
-                let packages+="$(dpkg --get-selections | grep -cv deinstall$)"
+                packages=$((packages+=$(dpkg --get-selections | grep -cv deinstall$)))
 
             type -p /sbin/pkgtool >/dev/null 2>&1 && \
-                let packages+="$(ls -1 /var/log/packages | wc -l)"
+                packages=$((packages+=$(ls -1 /var/log/packages | wc -l)))
 
             type -p rpm >/dev/null 2>&1 && \
-                let packages+="$(rpm -qa | wc -l)"
+                packages=$((packages+=$(rpm -qa | wc -l)))
 
             type -p xbps-query >/dev/null 2>&1 && \
-                let packages+="$(xbps-query -l | wc -l)"
+                packages=$((packages+=$(xbps-query -l | wc -l)))
 
             type -p pkginfo >/dev/null 2>&1 && \
-                let packages+="$(pkginfo -i | wc -l)"
+                packages=$((packages+=$(pkginfo -i | wc -l)))
 
             type -p pisi >/dev/null 2>&1 && \
-                let packages+="$(pisi list-installed | wc -l)"
+                packages=$((packages+=$(pisi list-installed | wc -l)))
 
             type -p pkg >/dev/null 2>&1 && \
-                let packages+="$(ls -1 /var/db/pkg | wc -l)"
+                packages=$((packages+=$(ls -1 /var/db/pkg | wc -l)))
 
             type -p emerge >/dev/null 2>&1 && \
-                let packages+="$(ls -d /var/db/pkg/*/* | wc -l)"
+                packages=$((packages+=$(ls -d /var/db/pkg/*/* | wc -l)))
 
             type -p nix-env >/dev/null 2>&1 && \
-                let packages+="$(ls -d -1 /nix/store/*/ | wc -l)"
+                packages=$((packages+=$(ls -d -1 /nix/store/*/ | wc -l)))
 
             type -p apk >/dev/null 2>&1 && \
-                let packages+="$(apk info | wc -l)"
+                packages=$((packages+=$(apk info | wc -l)))
 
             type -p pacman-g2 >/dev/null 2>&1 && \
-                let packages+="$(pacman-g2 -Q | wc -l)"
+                packages=$((packages+=$(pacman-g2 -Q | wc -l)))
 
             type -p cave >/dev/null 2>&1 && \
-                let packages+=$(ls -d -1 /var/db/paludis/repositories/cross-installed/*/data/* /var/db/paludis/repositories/installed/data/* | wc -l)
+                packages=$((packages+=$(ls -d -1 /var/db/paludis/repositories/cross-installed/*/data/* /var/db/paludis/repositories/installed/data/* | wc -l)))
         ;;
 
         "Mac OS X")