diff --git a/grub-core/kern/elf.c b/grub-core/kern/elf.c
index 00de36984..4f282c9cf 100644
--- a/grub-core/kern/elf.c
+++ b/grub-core/kern/elf.c
@@ -28,6 +28,8 @@
 
 GRUB_MOD_LICENSE ("GPLv3+");
 
+#pragma GCC diagnostic ignored "-Wcast-align"
+
 #if defined(__powerpc__) && defined(GRUB_MACHINE_IEEE1275)
 #define GRUB_ELF_ENABLE_BI_ENDIAN 1
 #else