diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
index 977757f2c..b051600c8 100644
--- a/grub-core/loader/i386/linux.c
+++ b/grub-core/loader/i386/linux.c
@@ -806,7 +806,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
     }
 
   linux_params.code32_start = prot_mode_target + lh.code32_start - GRUB_LINUX_BZIMAGE_ADDR;
-  linux_params.kernel_alignment = (1 << align);
+  linux_params.kernel_alignment = ((grub_uint32_t) 1 << align);
   linux_params.ps_mouse = linux_params.padding11 = 0;
   linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;