diff --git a/hosts/laptop/configuration.nix b/hosts/laptop/configuration.nix
index 5742c6c..6edadf6 100644
--- a/hosts/laptop/configuration.nix
+++ b/hosts/laptop/configuration.nix
@@ -42,9 +42,9 @@
 
   programs.zsh = {
     interactiveShellInit = ''
-      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+      if [[ $(${pkgs.procps}/bin/ps -p $PPID -o comm) != "fish" && -z ''${ZSH_EXUCTION_STRING} ]]
       then
-        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+        [[ -o login ]] && LOGIN_OPTION='--login' || LOGIN_OPTION=""
         exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
       fi
     '';
diff --git a/hosts/laptop/home.nix b/hosts/laptop/home.nix
index ab56a09..1e17ec9 100644
--- a/hosts/laptop/home.nix
+++ b/hosts/laptop/home.nix
@@ -135,7 +135,7 @@
       }
     ];
     shellAliases = {
-      DYLD_FALLBACK_LIBRARY_PATH = "$(brew --prefix)/lib:$DYLD_FALLBACK_LIBRARY_PATH";
+      # DYLD_FALLBACK_LIBRARY_PATH = "$(brew --prefix)/lib:$DYLD_FALLBACK_LIBRARY_PATH";
     };
   };