diff --git a/make/defs.mk b/make/defs.mk
index 99e07a3f..73955079 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -267,6 +267,7 @@ ifeq ($(USE_VALGRIND),true)
 endif
 
 ifeq ($(USE_TIMER),true)
+GENERATE_FUNC_TIMERS   = $(MODDIR)/YStopWatchThreadList/generate_func_timers.sh
 CFLAGS                += -D_USE_TIMER_
 CPPFLAGS              += -D_USE_TIMER_
 endif
@@ -358,4 +359,3 @@ ifneq ($(wildcard local.mk),)
 include local.mk
 endif
 
-
diff --git a/make/rules.mk b/make/rules.mk
index 681c1f66..4723fbd4 100644
--- a/make/rules.mk
+++ b/make/rules.mk
@@ -3,10 +3,10 @@
 # contact@jannet.de
 # $Id$
 
-GENERATE_FUNC_TIMERS = $(MODDIR)/YStopWatchThreadList/generate_func_timers.sh
-
 all: all.done
 
+.PRECIOUS: $(LOCAL_H)
+
 echo_all:
 	@echo "$(ALL)"