diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
index d71285e..145ba0b 100644
--- a/arch/x86/lib/zimage.c
+++ b/arch/x86/lib/zimage.c
@@ -554,12 +554,13 @@
 	printf("\n");
 }
 
-void zimage_dump(struct bootm_info *bmi, struct boot_params *base_ptr,
-		 bool show_cmdline)
+void zimage_dump(struct bootm_info *bmi, bool show_cmdline)
 {
+	struct boot_params *base_ptr;
 	struct setup_header *hdr;
 	int i;
 
+	base_ptr = bmi->base_ptr;
 	printf("Setup located at %p:\n\n", base_ptr);
 	print_num64("ACPI RSDP addr", base_ptr->acpi_rsdp_addr);