diff --git a/src/viced/afsfileprocs.c b/src/viced/afsfileprocs.c
index 16e161bca4..0b18714b09 100644
--- a/src/viced/afsfileprocs.c
+++ b/src/viced/afsfileprocs.c
@@ -6187,7 +6187,7 @@ SRXAFS_GetCapabilities(struct rx_call * acall, Capabilities * capabilities)
 
     dataBytes = 1 * sizeof(afs_int32);
     dataBuffP = (afs_int32 *) malloc(dataBytes);
-    dataBuffP[0] = CAPABILITY_ERRORTRANS;
+    dataBuffP[0] = CAPABILITY_ERRORTRANS | CAPABILITY_WRITELOCKACL;
     capabilities->Capabilities_len = dataBytes / sizeof(afs_int32);
     capabilities->Capabilities_val = dataBuffP;
 
diff --git a/src/viced/viced_prototypes.h b/src/viced/viced_prototypes.h
index 17795b3127..f60593f0b9 100644
--- a/src/viced/viced_prototypes.h
+++ b/src/viced/viced_prototypes.h
@@ -4,5 +4,5 @@ void init_sys_error_to_et(void);
 
 /* First 32 bits of capabilities */
 #define CAPABILITY_ERRORTRANS (1<<0)
-
+#define CAPABILITY_WRITELOCKACL (1<<2)
 #define CAPABILITY_BITS 1