diff --git a/flake.nix b/flake.nix
index 3e48b34..3b2a5b7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -103,19 +103,19 @@
 
                 programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
                   ${
-                    lib.getExe self.packages."${system}".default
+                    self.apps."${system}".default.program
                   } init bash --config-file "${configFile}" | source
                 '';
 
                 programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
                   ${
-                    lib.getExe self.packages."${system}".default
+                    self.apps."${system}".default.program
                   } init zsh --config-file "${configFile}" | source
                 '';
 
                 programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration ''
                   ${
-                    lib.getExe self.packages."${system}".default
+                    self.apps."${system}".default.program
                   } init fish --config-file "${configFile}" | source
                 '';
               };