diff --git a/memtest-setup b/memtest-setup
index 0a44d30..c183615 100755
--- a/memtest-setup
+++ b/memtest-setup
@@ -1,5 +1,10 @@
 #!/bin/bash
 
+if [ -d /sys/firmware/efi ]; then
+    echo "memtest86+ does not support EFI platforms."
+    exit 254
+fi
+
 MTVERSION=`rpm -q --qf '%{version}' memtest86+`
 MTPATH="/boot/memtest86+-$MTVERSION"