diff --git a/pkgs/misc/themes/numix-gtk-theme/default.nix b/pkgs/misc/themes/numix/default.nix
similarity index 100%
rename from pkgs/misc/themes/numix-gtk-theme/default.nix
rename to pkgs/misc/themes/numix/default.nix
diff --git a/pkgs/misc/themes/paper-gtk-theme/default.nix b/pkgs/misc/themes/paper/default.nix
similarity index 100%
rename from pkgs/misc/themes/paper-gtk-theme/default.nix
rename to pkgs/misc/themes/paper/default.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 62cd7172d79..cbb4b12e510 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2862,7 +2862,7 @@ in
 
   pamtester = callPackage ../tools/security/pamtester { };
 
-  paper-gtk-theme = callPackage ../misc/themes/paper-gtk-theme { };
+  paper-gtk-theme = callPackage ../misc/themes/paper { };
 
   par2cmdline = callPackage ../tools/networking/par2cmdline { };
 
@@ -15916,7 +15916,7 @@ in
 
   gnome_themes_standard = gnome3.gnome_themes_standard;
 
-  numix-gtk-theme = callPackage ../misc/themes/numix-gtk-theme { };
+  numix-gtk-theme = callPackage ../misc/themes/numix { };
 
   # We need QtWebkit which was deprecated in Qt 5.6 although it can still be build
   trojita = with qt55; callPackage ../applications/networking/mailreaders/trojita { };