diff --git a/ChangeLog b/ChangeLog
index 064ccd54d..bc44f7ebf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2012-02-29  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/boot/i386/pc/startup_raw.S: Use separate
+	reed_solomon_size const definition instead of computing it since
+	Apple assembler doesn't support the later.
+
 2012-02-29  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* gentpl.py (kernel): Rewrite Apple part.
diff --git a/grub-core/boot/i386/pc/startup_raw.S b/grub-core/boot/i386/pc/startup_raw.S
index 413c0e944..2199f3e96 100644
--- a/grub-core/boot/i386/pc/startup_raw.S
+++ b/grub-core/boot/i386/pc/startup_raw.S
@@ -105,7 +105,8 @@ LOCAL (codestart):
 	call	grub_gate_a20
 
 	movl	LOCAL(compressed_size), %edx
-	addl    $(LOCAL(decompressor_end) - LOCAL(reed_solomon_part)), %edx
+	LOCAL(reed_solomon_size) = LOCAL(decompressor_end) - LOCAL(reed_solomon_part)
+	addl    $LOCAL(reed_solomon_size), %edx
 	movl    reed_solomon_redundancy, %ecx
 	leal    LOCAL(reed_solomon_part), %eax
 	cld