diff --git a/Dockerfile.gnome b/Dockerfile.gnome
index 0802b3a..3c89c93 100644
--- a/Dockerfile.gnome
+++ b/Dockerfile.gnome
@@ -1,5 +1,8 @@
 FROM quay.io/fedora-ostree-desktops/silverblue:41
 
+# dnf configuration has to be in effect during build
+COPY etc/dnf /etc/dnf
+
 # Add rpmfusion repositories (this sometimes fails, so it has 3 tries before failing the build)
 RUN (dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm) || \
     (sleep 60 && dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm) || \
diff --git a/Dockerfile.kde b/Dockerfile.kde
index 95f6017..a2a0987 100644
--- a/Dockerfile.kde
+++ b/Dockerfile.kde
@@ -1,5 +1,8 @@
 FROM quay.io/fedora-ostree-desktops/kinoite:41
 
+# dnf configuration has to be in effect during build
+COPY etc/dnf /etc/dnf
+
 # Add rpmfusion repositories (this sometimes fails, so it has 3 tries before failing the build)
 RUN (dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm) || \
     (sleep 60 && dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm) || \