diff --git a/pkgs/applications/misc/qtpass/default.nix b/pkgs/applications/misc/qtpass/default.nix
index 1256bb96608f..f185524da587 100644
--- a/pkgs/applications/misc/qtpass/default.nix
+++ b/pkgs/applications/misc/qtpass/default.nix
@@ -1,5 +1,5 @@
 { lib, mkDerivation, fetchFromGitHub
-, git, gnupg, pass, pwgen
+, git, gnupg, pass, pwgen, qrencode
 , qtbase, qtsvg, qttools, qmake
 }:
 
@@ -14,6 +14,11 @@ mkDerivation rec {
     sha256 = "0748hjvhjrybi33ci3c8hcr74k9pdrf5jv8npf9hrsrmdyy1kr9x";
   };
 
+  postPatch = ''
+    substituteInPlace src/qtpass.cpp \
+      --replace "/usr/bin/qrencode" "${qrencode}/bin/qrencode"
+  '';
+
   buildInputs = [ git gnupg pass qtbase qtsvg ];
 
   nativeBuildInputs = [ qmake qttools ];