1 files changed, 1 insertions, 1 deletions

diff --git a/arch/alpha/boot/tools/mkbb.c b/arch/alpha/boot/tools/mkbb.c
index 23c7190b047c..632a7fd6d7dc 100644
--- a/arch/alpha/boot/tools/mkbb.c
+++ b/arch/alpha/boot/tools/mkbb.c
@@ -81,7 +81,7 @@ typedef union __bootblock {
 #define bootblock_label         __u1.__label
 #define bootblock_checksum      __u2.__checksum
 
-main(int argc, char ** argv)
+int main(int argc, char ** argv)
 {
     bootblock           bootblock_from_disk;
     bootblock           bootloader_image;