diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 831eed319f0..55dbdf9284d 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -42,7 +42,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  * Portions taken from FreeBSD.
  *
- * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.125.2.1 2008/02/29 15:31:37 mha Exp $
+ * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.125.2.2 2008/02/29 23:31:57 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2341,7 +2341,9 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo)
 		return 0;
 	}
 
+#ifndef __CYGWIN__
 	AddUserToDacl(processInfo->hProcess);
+#endif
 
 	return ResumeThread(processInfo->hThread);
 }
diff --git a/src/bin/pg_ctl/pg_ctl.c b/src/bin/pg_ctl/pg_ctl.c
index 9b65a09382c..4ce60e7cda8 100644
--- a/src/bin/pg_ctl/pg_ctl.c
+++ b/src/bin/pg_ctl/pg_ctl.c
@@ -4,7 +4,7 @@
  *
  * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.74.2.3 2008/02/29 15:31:37 mha Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.74.2.4 2008/02/29 23:31:57 adunstan Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1424,7 +1424,9 @@ CreateRestrictedProcess(char *cmd, PROCESS_INFORMATION * processInfo)
 		}
 	}
 
+#ifndef __CYGWIN__
     AddUserToDacl(processInfo->hProcess);
+#endif
     
 	CloseHandle(restrictedToken);