diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7f75d4ef9338..619e08e22ca9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13542,7 +13542,7 @@ with pkgs;
 
   shaderc = callPackage ../development/compilers/shaderc { };
 
-  mime_types = callPackage ../data/misc/mime-types { };
+  mime-types = callPackage ../data/misc/mime-types { };
 
   shared_mime_info = callPackage ../data/misc/shared-mime-info { };