diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index c92fe0b75cec..32423e83ba8f 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -315,7 +315,7 @@ setup_uga(struct screen_info *si, efi_guid_t *uga_proto, unsigned long size)
 	return status;
 }
 
-void setup_graphics(struct boot_params *boot_params)
+static void setup_graphics(struct boot_params *boot_params)
 {
 	efi_guid_t graphics_proto = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
 	struct screen_info *si;