diff --git a/src/kboot.c b/src/kboot.c
index 5e8dc06b..76cc6f9e 100644
--- a/src/kboot.c
+++ b/src/kboot.c
@@ -635,6 +635,7 @@ int kboot_boot(void *kernel)
     next_stage.args[1] = 0;
     next_stage.args[2] = 0;
     next_stage.args[3] = 0;
+    next_stage.args[4] = 0;
     next_stage.restore_logo = false;
 
     return 0;
diff --git a/src/main.c b/src/main.c
index e8fece08..ef4e4028 100644
--- a/src/main.c
+++ b/src/main.c
@@ -168,8 +168,8 @@ void m1n1_main(void)
 
     printf("Vectoring to next stage...\n");
 
-    next_stage.entry(next_stage.args[0], next_stage.args[1], next_stage.args[2],
-                     next_stage.args[3]);
+    next_stage.entry(next_stage.args[0], next_stage.args[1], next_stage.args[2], next_stage.args[3],
+                     next_stage.args[4]);
 
     panic("Next stage returned!\n");
 }
diff --git a/src/proxy.c b/src/proxy.c
index 141ffe50..f01693ad 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -44,8 +44,8 @@ int proxy_process(ProxyRequest *request, ProxyReply *reply)
             return 1;
         case P_CALL: {
             generic_func *f = (generic_func *)request->args[0];
-            reply->retval =
-                f(request->args[1], request->args[2], request->args[3], request->args[4]);
+            reply->retval = f(request->args[1], request->args[2], request->args[3],
+                              request->args[4], request->args[5]);
             break;
         }
         case P_GET_BOOTARGS:
@@ -90,7 +90,7 @@ int proxy_process(ProxyRequest *request, ProxyReply *reply)
             usb_hpm_restore_irqs(1);
             iodev_console_flush();
             next_stage.entry = (generic_func *)request->args[0];
-            memcpy(next_stage.args, &request->args[1], 4 * sizeof(u64));
+            memcpy(next_stage.args, &request->args[1], 5 * sizeof(u64));
             next_stage.restore_logo = true;
             return 1;
         case P_GL1_CALL:
diff --git a/src/utils.h b/src/utils.h
index 37f3e3eb..d8e3c125 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -415,11 +415,11 @@ static inline int poll32(u64 addr, u32 mask, u32 target, u32 timeout)
     return -1;
 }
 
-typedef u64(generic_func)(u64, u64, u64, u64);
+typedef u64(generic_func)(u64, u64, u64, u64, u64);
 
 struct vector_args {
     generic_func *entry;
-    u64 args[4];
+    u64 args[5];
     bool restore_logo;
 };