diff --git a/ChangeLog b/ChangeLog
index 40fd400d6..8a6f0ed46 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-17  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* tests/grub_func_test.in: Increase memory reservation as on EFI we need
+	to leave some memory to firmware.
+
 2013-11-17  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/tests/cmdline_cat_test.c (cmdline_cat_test): Ignore errors
diff --git a/tests/grub_func_test.in b/tests/grub_func_test.in
index c039ffde0..cfb200cf9 100644
--- a/tests/grub_func_test.in
+++ b/tests/grub_func_test.in
@@ -4,7 +4,7 @@ set -e
 . "@builddir@/grub-core/modinfo.sh"
 
 # Increase memory as some of tests are high-resolution and need a lot of memory.
-out=`echo all_functional_test | @builddir@/grub-shell --timeout=3600 --files="/boot/grub/fonts/unicode.pf2"="@builddir@/"unicode.pf2 --qemu-opts="-m 512"`
+out=`echo all_functional_test | @builddir@/grub-shell --timeout=3600 --files="/boot/grub/fonts/unicode.pf2"="@builddir@/"unicode.pf2 --qemu-opts="-m 1G"`
 
 if [ "$(echo "$out" | tail -n 1)" != "ALL TESTS PASSED" ]; then
   echo "Functional test failure: $out"