diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ee8fa8796b5..5fa0acb2970 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1160,7 +1160,7 @@ in
 
   convmv = callPackage ../tools/misc/convmv { };
 
-  cool-retro-term = qt5.callPackage ../applications/misc/cool-retro-term { };
+  cool-retro-term = qt55.callPackage ../applications/misc/cool-retro-term { };
 
   coreutils = callPackage ../tools/misc/coreutils {
     aclSupport = stdenv.isLinux;