diff --git a/Makefile b/Makefile
index 71227d9d4d11e7bc700e701a8d4df39cf943efda..9e1db783ba597e773f0729926dd388415c20b919 100644
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,7 @@ GIT_REVISION := $(shell  git log --pretty=format:"%H" -1)
 MAST := 0
 ASAN := 0
 ONLY_C := 0
+COV := 0
 ifeq ($(DEBUG),0)
   BUILD_TYPE := RELEASE
 else
@@ -58,7 +59,8 @@ GN_OPTIONS := \
   GIT_REVISION="$(GIT_REVISION)" \
   MAST=$(MAST) \
   ASAN=$(ASAN) \
-  ONLY_C=$(ONLY_C)
+  ONLY_C=$(ONLY_C) \
+  COV=$(COV)
 
 .PHONY: default
 default: install
diff --git a/build/config/BUILDCONFIG.gn b/build/config/BUILDCONFIG.gn
index efe75a739dccc3c7aab81a16bd9b50ff48e092cd..58f11e6829075e805ff374ef95f547f8925b25f4 100755
--- a/build/config/BUILDCONFIG.gn
+++ b/build/config/BUILDCONFIG.gn
@@ -33,6 +33,7 @@ declare_args() {
   MAST = 0
   ASAN = 0
   ONLY_C = 0
+  COV = 0
 }
 
 # Define global args