diff --git a/debian/rules b/debian/rules
index 4a6bd9a3..f5576718 100755
--- a/debian/rules
+++ b/debian/rules
@@ -111,9 +111,14 @@ override_dh_auto_install:
 		debian/apt-ostree/lib/systemd/system/apt-ostreed-automatic.service
 	install -D -m 644 src/daemon/apt-ostreed-automatic.timer \
 		debian/apt-ostree/lib/systemd/system/apt-ostreed-automatic.timer
-	# Install fix-shadow-mode service from debian-atomic-files
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/systemd/system/apt-ostree-fix-shadow-mode.service \
-		debian/apt-ostree/lib/systemd/system/apt-ostree-fix-shadow-mode.service
+	# Install fix-shadow-mode service from debian-atomic-files (if available)
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/systemd/system/apt-ostree-fix-shadow-mode.service" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/systemd/system/apt-ostree-fix-shadow-mode.service \
+			debian/apt-ostree/lib/systemd/system/apt-ostree-fix-shadow-mode.service; \
+		echo "Installed apt-ostree-fix-shadow-mode.service"; \
+	else \
+		echo "Warning: apt-ostree-fix-shadow-mode.service not found, skipping"; \
+	fi
 	
 	# Check and install polkit policy
 	@if [ ! -f "daemon/polkit/apt-ostree.policy" ]; then \
@@ -134,26 +139,56 @@ override_dh_auto_install:
 	# Install kernel integration files
 	@echo "Installing kernel integration files..."
 	mkdir -p debian/apt-ostree/usr/lib/kernel/install.d
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/kernel/install.d/05-aptostree.install \
-		debian/apt-ostree/usr/lib/kernel/install.d/05-aptostree.install
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/kernel/install.conf \
-		debian/apt-ostree/usr/lib/kernel/install.conf
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/kernel/install.d/05-aptostree.install" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/kernel/install.d/05-aptostree.install \
+			debian/apt-ostree/usr/lib/kernel/install.d/05-aptostree.install; \
+		echo "Installed kernel install hook"; \
+	else \
+		echo "Warning: kernel install hook not found, skipping"; \
+	fi
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/kernel/install.conf" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/kernel/install.conf \
+			debian/apt-ostree/usr/lib/kernel/install.conf; \
+		echo "Installed kernel install config"; \
+	else \
+		echo "Warning: kernel install config not found, skipping"; \
+	fi
 	
 	# Install tmpfiles configuration
 	@echo "Installing tmpfiles configuration..."
 	mkdir -p debian/apt-ostree/usr/lib/tmpfiles.d
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration.conf \
-		debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration.conf
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal.conf \
-		debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal.conf
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal-compat.conf \
-		debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal-compat.conf
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration.conf" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration.conf \
+			debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration.conf; \
+		echo "Installed tmpfiles integration config"; \
+	else \
+		echo "Warning: tmpfiles integration config not found, skipping"; \
+	fi
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal.conf" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal.conf \
+			debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal.conf; \
+		echo "Installed tmpfiles usrlocal config"; \
+	else \
+		echo "Warning: tmpfiles usrlocal config not found, skipping"; \
+	fi
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal-compat.conf" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal-compat.conf \
+			debian/apt-ostree/usr/lib/tmpfiles.d/apt-ostree-0-integration-opt-usrlocal-compat.conf; \
+		echo "Installed tmpfiles usrlocal compat config"; \
+	else \
+		echo "Warning: tmpfiles usrlocal compat config not found, skipping"; \
+	fi
 	
 	# Install D-Bus policy configuration
 	@echo "Installing D-Bus policy configuration..."
 	mkdir -p debian/apt-ostree/usr/share/dbus-1/system.d
-	install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/org.debian.aptostree1.conf \
-		debian/apt-ostree/usr/share/dbus-1/system.d/org.debian.aptostree1.conf
+	@if [ -f "../debian-atomic-files/apt-ostree-systemd/org.debian.aptostree1.conf" ]; then \
+		install -D -m 644 ../debian-atomic-files/apt-ostree-systemd/org.debian.aptostree1.conf \
+			debian/apt-ostree/usr/share/dbus-1/system.d/org.debian.aptostree1.conf; \
+		echo "Installed D-Bus policy config"; \
+	else \
+		echo "Warning: D-Bus policy config not found, skipping"; \
+	fi
 	
 	# Create additional directories
 	mkdir -p debian/apt-ostree/usr/share/doc/apt-ostree