diff --git a/sys/arch/sparc64/conf/GENERIC b/sys/arch/sparc64/conf/GENERIC
index e5cf1de982fa..7bf162b259dd 100644
--- a/sys/arch/sparc64/conf/GENERIC
+++ b/sys/arch/sparc64/conf/GENERIC
@@ -1,4 +1,4 @@
-# 	$NetBSD: GENERIC,v 1.16 1999/06/05 20:38:24 eeh Exp $
+# 	$NetBSD: GENERIC,v 1.17 1999/07/18 23:52:58 eeh Exp $
 
 include "arch/sparc64/conf/std.sparc64"
 
@@ -130,7 +130,7 @@ options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
 options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
 #options		EXEC_ELF64	# Exec module for sparc64 & SunOs 5.x binaries. -- 64-bit only
 #options		SYSCALL_DEBUG
-#options		COMPAT_AOUT	# NetBSD/sparc compat support
+options		COMPAT_AOUT	# NetBSD/sparc compat support
 options 	EXEC_AOUT	# execve(2) support for a.out binaries
 
 ## File systems.  You probably need at least one of FFS or NFS.
diff --git a/sys/arch/sparc64/conf/GENERIC64 b/sys/arch/sparc64/conf/GENERIC64
index 19ec67c859d7..b8d1c4fbfa60 100644
--- a/sys/arch/sparc64/conf/GENERIC64
+++ b/sys/arch/sparc64/conf/GENERIC64
@@ -1,4 +1,4 @@
-# 	$NetBSD: GENERIC64,v 1.5 1999/04/26 04:25:38 ad Exp $
+# 	$NetBSD: GENERIC64,v 1.6 1999/07/18 23:52:58 eeh Exp $
 
 include "arch/sparc64/conf/std.sparc64"
 
@@ -128,7 +128,7 @@ options 	COMPAT_13	# NetBSD 1.3 binary compatibility
 options 	COMPAT_SUNOS	# SunOS 4.x binary compatibility
 options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
 options 	COMPAT_NETBSD32	# NetBSD/sparc binary compatibility
-#options		COMPAT_AOUT	# NetBSD/sparc compat support
+options		COMPAT_AOUT	# NetBSD/sparc compat support
 options 	EXEC_AOUT	# execve(2) support for a.out binaries
 options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
 options		EXEC_ELF64	# Exec module for sparc64 & SunOs 5.x binaries.
diff --git a/sys/arch/sparc64/conf/NONPLUS64 b/sys/arch/sparc64/conf/NONPLUS64
index 0732672c96a3..d4950df38ae3 100644
--- a/sys/arch/sparc64/conf/NONPLUS64
+++ b/sys/arch/sparc64/conf/NONPLUS64
@@ -1,4 +1,4 @@
-# 	$NetBSD: NONPLUS64,v 1.8 1999/04/26 04:25:38 ad Exp $
+# 	$NetBSD: NONPLUS64,v 1.9 1999/07/18 23:52:58 eeh Exp $
 
 include "arch/sparc64/conf/std.sparc64"
 
@@ -133,7 +133,7 @@ options 	COMPAT_SVR4	# SunOS 5.x binary compatibility
 options 	EXEC_ELF32	# Exec module for SunOS 5.x binaries.
 options		EXEC_ELF64	# Exec module for SunOS 5.x binaries.
 options		SYSCALL_DEBUG
-#options		COMPAT_AOUT	# NetBSD/sparc compat support
+options		COMPAT_AOUT	# NetBSD/sparc compat support
 options 	EXEC_AOUT	# execve(2) support for a.out binaries
 
 ## File systems.  You probably need at least one of FFS or NFS.