diff --git a/make/testing_flags.mk b/make/testing_flags.mk
index 1b8114f8..e232b39b 100644
--- a/make/testing_flags.mk
+++ b/make/testing_flags.mk
@@ -21,6 +21,14 @@ ifneq ($(icase),)
 TEST_FLAGS += -test.run=TestLightningNetworkDaemon/$(icase)
 endif
 
+# Define the log tags that will be applied only when running unit tests. If none
+# are provided, we default to "nolog" which will be silent.
+ifneq ($(log),)
+LOG_TAGS := ${log}
+else
+LOG_TAGS := nolog
+endif
+
 # If a timeout was requested, construct initialize the proper flag for the go
 # test command. If not, we set 20m (up from the default 10m).
 ifneq ($(timeout),)
@@ -36,12 +44,12 @@ UNIT_TARGETED ?= no
 # If a specific package/test case was requested, run the unit test for the
 # targeted case. Otherwise, default to running all tests.
 ifeq ($(UNIT_TARGETED), yes)
-UNIT := $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS) $(UNITPKG)
-UNIT_RACE := $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS) -race $(UNITPKG)
+UNIT := $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS)" $(TEST_FLAGS) $(UNITPKG)
+UNIT_RACE := $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS)" $(TEST_FLAGS) -race $(UNITPKG)
 endif
 
 ifeq ($(UNIT_TARGETED), no)
-UNIT := $(GOLIST) | $(XARGS) $(GOTEST) -tags="$(DEV_TAGS)" $(TEST_FLAGS)
+UNIT := $(GOLIST) | $(XARGS) $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS)" $(TEST_FLAGS)
 UNIT_RACE := $(UNIT) -race
 endif