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-rw-r--r--libc/misc/sysvipc/ipc.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/misc/sysvipc/ipc.h b/libc/misc/sysvipc/ipc.h
index ffc07daf9..62c035b20 100644
--- a/libc/misc/sysvipc/ipc.h
+++ b/libc/misc/sysvipc/ipc.h
@@ -3,7 +3,7 @@
#include <syscall.h>
#include <bits/wordsize.h>
-#if __WORDSIZE == 32
+#if __WORDSIZE == 32 || defined __alpha__
# define __IPC_64 0x100
#else
# define __IPC_64 0x0