diff --git a/build-flags/build_flags_mega2560slim-5100 b/build-flags/build_flags_mega2560slim-5100
index 0fb2dac..c46c5ae 100644
--- a/build-flags/build_flags_mega2560slim-5100
+++ b/build-flags/build_flags_mega2560slim-5100
@@ -6,7 +6,7 @@
 -DMBUS_DISABLE
 #-DOWIRE_DISABLE
 -DDHT_DISABLE
--DCOUNTER_DISABLE
+#-DCOUNTER_DISABLE
 -DNO_HOMIE
 -DCSSHDC_DISABLE
 -DSPILED_DISABLE