diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ac0d56e14dc..fb54b737b4a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13793,7 +13793,7 @@ in
     demo = false;
   };
 
-  rapcad = qt5.callPackage ../applications/graphics/rapcad { boost = boost159; };
+  rapcad = qt55.callPackage ../applications/graphics/rapcad { boost = boost159; };
 
   rapidsvn = callPackage ../applications/version-management/rapidsvn { };