diff --git a/gnu/packages/patches/gdm-pass-gdk-pixbuf-loader-env.patch b/gnu/packages/patches/gdm-pass-gdk-pixbuf-loader-env.patch
index 2c095c80031..5108da33df8 100644
--- a/gnu/packages/patches/gdm-pass-gdk-pixbuf-loader-env.patch
+++ b/gnu/packages/patches/gdm-pass-gdk-pixbuf-loader-env.patch
@@ -1,6 +1,6 @@
 From: Josselin Poiret <dev@jpoiret.xyz>
 Date: Tue, 23 Nov 2021 18:39:39 +0000
-Subject: [PATCH] Make GDM pass GDK_PIXBUF_MODULE_FILE to sessions
+Subject: [PATCH] Make GDM pass GUIX_GDK_PIXBUF_MODULE_FILES to sessions
 diff --git a/daemon/gdm-launch-environment.c b/daemon/gdm-launch-environment.c
 index 932c3e8a..a50dcc8c 100644
 --- a/daemon/gdm-launch-environment.c
@@ -9,7 +9,7 @@ index 932c3e8a..a50dcc8c 100644
                  "WINDOWPATH",
                  "XCURSOR_PATH",
                  "XDG_CONFIG_DIRS",
-+                "GDK_PIXBUF_MODULE_FILE",
++                "GUIX_GDK_PIXBUF_MODULE_FILES",
                  NULL
          };
          char *system_data_dirs;
diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm
index 1d7e3ae973c..bef05b9bb9b 100644
--- a/gnu/services/xorg.scm
+++ b/gnu/services/xorg.scm
@@ -1291,7 +1291,7 @@ argument.")))
                          ;; the corresponding line in /etc/profile.
                          "XCURSOR_PATH=/run/current-system/profile/share/icons"
                          (string-append
-                          "GDK_PIXBUF_MODULE_FILE="
+                          "GUIX_GDK_PIXBUF_MODULE_FILES="
                           #$gnome-shell "/" #$%gdk-pixbuf-loaders-cache-file)
                          (string-append
                           "GDM_WAYLAND_SESSION="