diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ecdc91958ef..bf10c58df29 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16725,7 +16725,7 @@ with pkgs;
     wxGTK = wxGTK30;
   };
 
-  rapcad = libsForQt56.callPackage ../applications/graphics/rapcad { boost = boost159; };
+  rapcad = libsForQt5.callPackage ../applications/graphics/rapcad { boost = boost159; };
 
   rapidsvn = callPackage ../applications/version-management/rapidsvn { };