diff --git a/users/simon/modules/zsh.nix b/users/simon/modules/zsh.nix
index ab02f4f..b2b8b31 100644
--- a/users/simon/modules/zsh.nix
+++ b/users/simon/modules/zsh.nix
@@ -52,6 +52,18 @@ in
         # no sad smiley (starship shows exit status)
         zstyle ':prompt:grml:right:setup' items
 
+        # grml config sets these but systemd --user import-environment doesn’t
+        # like escape sequences in environment variables
+        # FIXME: remove with systemd 248 (https://github.com/systemd/systemd/commit/30927a24848c4d727f7619cc74b878f098cdd724)
+        unset \
+            LESS_TERMCAP_mb \
+            LESS_TERMCAP_md \
+            LESS_TERMCAP_me \
+            LESS_TERMCAP_se \
+            LESS_TERMCAP_so \
+            LESS_TERMCAP_ue \
+            LESS_TERMCAP_us
+
         source ${../files/zsh/pass-wrappers.zsh}
       '';
     };