diff --git a/hw/pc.h b/hw/pc.h
index c67294d0fe0a718378f6f209d6326cb70bba9743..7f21144cfa69b4148eb593124edefdbd5aa22453 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -127,7 +127,7 @@ enum vga_retrace_method {
 
 extern enum vga_retrace_method vga_retrace_method;
 
-#ifndef TARGET_SPARC
+#if !defined(TARGET_SPARC) || defined(TARGET_SPARC64)
 #define VGA_RAM_SIZE (8192 * 1024)
 #else
 #define VGA_RAM_SIZE (9 * 1024 * 1024)