diff --git a/tests/progs/slapd-common.c b/tests/progs/slapd-common.c
index 06e1060efb..cc68657522 100644
--- a/tests/progs/slapd-common.c
+++ b/tests/progs/slapd-common.c
@@ -209,7 +209,7 @@ tester_ignore_err( int err )
 				ignore_client[ -err ]++;
 
 			} else if ( rc < 0 ) {
-				ignore_server[ err ]--;
+				ignore_client[ -err ]--;
 			}
 		}
 	}