diff --git a/winsup/cygwin/shared.h b/winsup/cygwin/shared.h
index 100eb2a15..7ec471666 100644
--- a/winsup/cygwin/shared.h
+++ b/winsup/cygwin/shared.h
@@ -188,7 +188,7 @@ pinfo *__stdcall procinfo (int n);
 
 enum
 {
-  PROC_MAGIC = 0xaf04f000,
+  PROC_MAGIC = 0xaf05f000,
   PROC_FORK = PROC_MAGIC + 1,
   PROC_EXEC = PROC_MAGIC + 2,
   PROC_SPAWN = PROC_MAGIC + 3,