diff --git a/Makefile.in b/Makefile.in
index c09dca78ca..8fc340099b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -189,7 +189,7 @@ ubik: cmd comerr auth ubik_depinstall sys
 	+${COMPILE_PART1} ubik ${COMPILE_PART2}
 
 tubik: ubik libafsrpc
-	[ yes != "$(ENABLE_PTHREADED_UBIK)" ] || case ${SYS_NAME} in \
+	+[ yes != "$(ENABLE_PTHREADED_UBIK)" ] || case ${SYS_NAME} in \
 	alpha_dux*|sgi_*|sun*_5*|rs_aix*|*linux*|hp_ux11*|ia64_hpux*|*[of]bsd*|*nbsd[234]*) \
 		${COMPILE_PART1} tubik ${COMPILE_PART2} ;; \
 	*_darwin_[1-6][0-9]) \