diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index ae216c664..5d3a27354 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -556,11 +556,11 @@ static bool MaybeDeriveMicrodroidVendorDiceNode(Fstab* fstab) {
         return true;
     }
     // clang-format off
-    const std::array<const char*, 7> args = {
+    const std::array<const char*, 8> args = {
         "/system/bin/derive_microdroid_vendor_dice_node",
                 "--dice-driver", "/dev/open-dice0",
                 "--microdroid-vendor-disk-image", microdroid_vendor_block_dev->data(),
-                "--output", "/microdroid_resources/dice_chain.raw",
+                "--output", "/microdroid_resources/dice_chain.raw", nullptr,
     };
     // clang-format-on
     // ForkExecveAndWaitForCompletion calls waitpid to wait for the fork-ed process to finish.