diff --git a/repos/dde_rump/run/rump_iso.run b/repos/dde_rump/run/rump_iso.run
index eebc34876e..14b704e9b8 100644
--- a/repos/dde_rump/run/rump_iso.run
+++ b/repos/dde_rump/run/rump_iso.run
@@ -7,7 +7,6 @@ if {[have_spec arm]} {
 #
 set mkisofs [check_installed mkisofs]
 
-#
 #
 # Build
 #
@@ -41,6 +40,7 @@ append config {
 	<default-route>
 		<any-service> <parent/> <any-child/> </any-service>
 	</default-route>
+	<default caps="100"/>
 	<start name="timer">
 		<resource name="RAM" quantum="1M"/>
 		<provides><service name="Timer"/></provides>
@@ -50,7 +50,7 @@ append config {
 		<provides><service name="Block"/></provides>
 		<config file="fs.iso" block_size="2048"/>
 	</start>
-	<start name="rump_fs">
+	<start name="rump_fs" caps="200">
 		<resource name="RAM" quantum="8M" />
 		<provides><service name="File_system"/></provides>
 		<config fs="cd9660"><policy label_prefix="fs_rom" root="/" writeable="no"/></config>
@@ -61,8 +61,9 @@ append config {
 	</start>
 	<start name="test-iso">
 		<resource name="RAM" quantum="1M" />
+		<config/>
 		<route>
-			<service name="ROM"><child name="fs_rom"/></service>
+			<service name="ROM" label_prefix=""><child name="fs_rom"/></service>
 			<any-service> <parent/> <any-child /> </any-service>
 		</route>
 	</start>
@@ -92,7 +93,6 @@ set boot_modules {
 	fs.iso fs_rom
 }
 
-
 build_boot_image $boot_modules
 
 append qemu_args "-nographic "
diff --git a/repos/os/src/test/iso/main.cc b/repos/os/src/test/iso/main.cc
index ed52af5b15..46761a5d4f 100644
--- a/repos/os/src/test/iso/main.cc
+++ b/repos/os/src/test/iso/main.cc
@@ -42,8 +42,6 @@ struct Hexdump
 			off += j * sizeof(unsigned long);
 			print(out, "\n");
 		}
-
-		print(out, "\n");
 	}
 };