diff --git a/ChangeLog b/ChangeLog
index f4691f3a4..d03b15c6d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-12-08  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/kern/emu/main.c: Silence missing prototypes to allow emu
+	compilation with GCC <= 4.2.
+	* grub-core/kern/emu/argp_common.c: Likewise.
+
 2013-12-08  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* include/grub/kernel.h [__sparc__]: Restrict sparc64-ieee1275 to
diff --git a/grub-core/kern/emu/argp_common.c b/grub-core/kern/emu/argp_common.c
index e519b529e..4aca01550 100644
--- a/grub-core/kern/emu/argp_common.c
+++ b/grub-core/kern/emu/argp_common.c
@@ -20,6 +20,8 @@
 #include <config.h>
 #include <config-util.h>
 
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+
 #define _GNU_SOURCE	1
 #include <stdlib.h>
 #include <unistd.h>
diff --git a/grub-core/kern/emu/main.c b/grub-core/kern/emu/main.c
index 39fa3be10..eddb192f9 100644
--- a/grub-core/kern/emu/main.c
+++ b/grub-core/kern/emu/main.c
@@ -44,6 +44,8 @@
 #include <grub/loader.h>
 #include <grub/util/misc.h>
 
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"
+
 #include "progname.h"
 #include <argp.h>