diff --git a/pkgs/desktops/xfce/applications/ristretto/default.nix b/pkgs/desktops/xfce/applications/ristretto/default.nix
index 8766bd302ab..6defce95442 100644
--- a/pkgs/desktops/xfce/applications/ristretto/default.nix
+++ b/pkgs/desktops/xfce/applications/ristretto/default.nix
@@ -1,4 +1,4 @@
-{ mkXfceDerivation, automakeAddFlags, exo, gtk3, glib, libexif
+{ mkXfceDerivation, automakeAddFlags, gtk3, glib, libexif
 , libxfce4ui, libxfce4util, xfconf }:
 
 mkXfceDerivation {
@@ -8,9 +8,13 @@ mkXfceDerivation {
 
   sha256 = "07h7wbq3xh2ac6q4kp2ai1incfn0zfxxngap7hzqx47a5xw2mrm8";
 
-  nativeBuildInputs = [ exo ];
   buildInputs = [ glib gtk3 libexif libxfce4ui libxfce4util xfconf ];
 
+  postPatch = ''
+    # exo-csource has been dropped from exo
+    substituteInPlace src/Makefile.am --replace exo-csource xdt-csource
+  '';
+
   meta = {
     description = "A fast and lightweight picture-viewer for the Xfce desktop environment";
   };