diff --git a/pkgs/desktops/pantheon/apps/elementary-photos/default.nix b/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
index ca0b3951351..7280051361a 100644
--- a/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
@@ -1,5 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
+, fetchpatch
 , nix-update-script
 , pantheon
 , meson
@@ -45,6 +46,14 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-bTk4shryAWWMrKX3mza6xQ05qpBPf80Ey7fmYgKLUiY=";
   };
 
+  patches = [
+    # Fix build with latest Vala.
+    (fetchpatch {
+      url = "https://github.com/elementary/photos/commit/27e529fc96da828982563e2e19a6f0cef883a29e.patch";
+      sha256 = "w39wh45VHggCs62TN6wpUEyz/hJ1y7qL1Ox+sp0Pt2s=";
+    })
+  ];
+
   passthru = {
     updateScript = nix-update-script {
       attrPath = "pantheon.${pname}";