diff --git a/.config/zsh/zaliases b/.config/zsh/zaliases
index f1c2ffc..5b5038e 100644
--- a/.config/zsh/zaliases
+++ b/.config/zsh/zaliases
@@ -85,42 +85,40 @@ alias machklein='mksmol'
 alias diff='diff --color=auto'
 
 # OS specific settings.
-case $(lsb_release -i -s 2> /dev/null) in
-    Gentoo)
-        # Directory aliases for some Gentoo paths
-        for dir in /etc/portage/package.*; do
-            hash -d -- -${dir##*/}=${dir}
-        done
+if [[ -f /etc/gentoo-release ]]; then
+    # Directory aliases for some Gentoo paths
+    for dir in /etc/portage/package.*; do
+        hash -d -- -${dir##*/}=${dir}
+    done
 
-        # Directory aliases for all enabled repos
-        function _my_diralias_repo_done()
-        {
-            local return_code=${2}
-            local stdout=${3}
+    # Directory aliases for all enabled repos
+    function _my_diralias_repo_done()
+    {
+        local return_code=${2}
+        local stdout=${3}
 
-            if [[ ${return_code} -eq 0 ]]; then
-                if [[ "${stdout%%=*}" == "allrepos" ]]; then
-                    # We got the list of repos
-                    for repo in $(print ${stdout#*=}); do
-                        async_job diralias_repo _my_diralias_repo ${repo}
-                    done
-                else
-                    # We got the path of a repo
-                    local repo="repo_${stdout%%=*}"
-                    hash -d -- -${repo}="${stdout#*=}"
-                fi
+        if [[ ${return_code} -eq 0 ]]; then
+            if [[ "${stdout%%=*}" == "allrepos" ]]; then
+                # We got the list of repos
+                for repo in $(print ${stdout#*=}); do
+                    async_job diralias_repo _my_diralias_repo ${repo}
+                done
+            else
+                # We got the path of a repo
+                local repo="repo_${stdout%%=*}"
+                hash -d -- -${repo}="${stdout#*=}"
             fi
-        }
-        function _my_diralias_repo()
-        {
-            print -n "${1}="
-            portageq get_repo_path / "${1}"
-        }
-        async_start_worker diralias_repo
-        async_register_callback diralias_repo _my_diralias_repo_done
-        async_job diralias_repo "print -n "allrepos=" && portageq get_repos /"
-        ;;
-esac
+        fi
+    }
+    function _my_diralias_repo()
+    {
+        print -n "${1}="
+        portageq get_repo_path / "${1}"
+    }
+    async_start_worker diralias_repo
+    async_register_callback diralias_repo _my_diralias_repo_done
+    async_job diralias_repo 'print -n "allrepos=$(portageq get_repos /)"'
+fi
 
 command -v apt-cache > /dev/null && alias qs="apt-cache search --names-only"