diff --git a/src/viced/host.c b/src/viced/host.c
index 9476f9854e..3b408e88e2 100644
--- a/src/viced/host.c
+++ b/src/viced/host.c
@@ -1558,6 +1558,7 @@ h_GetHost_r(struct rx_connection *tcon)
 		     host->interface ? uuid2 : ""));
 
 	    /* The host in the cache is not the host for this connection */
+            h_Lock_r(host);
 	    host->hostFlags |= HOSTDELETED;
 	    host->hostFlags &= ~HWHO_INPROGRESS;
 	    h_Unlock_r(host);