diff --git a/Makefile.include b/Makefile.include
index 004d90f90089821015c2668c158f44be19615491..cfd3158d60f1f1a5cc1d89aa492ae43dd84ce4a4 100644
--- a/Makefile.include
+++ b/Makefile.include
@@ -83,10 +83,10 @@ endif
 QUIET ?= 1
 
 ifeq ($(QUIET),1)
-  AD=@
+  Q=@
   MAKEFLAGS += --no-print-directory
 else
-  AD=
+  Q=
 endif
 
 # Fail on warnings. Can be overridden by `make WERROR=0`.
diff --git a/Makefile.vars b/Makefile.vars
index 09d6ef720e124bc85984f51ad0330a2962f7e85d..b1e2919197eb2e3610b7e78d4c39a40872e52a7c 100644
--- a/Makefile.vars
+++ b/Makefile.vars
@@ -1,4 +1,4 @@
-export AD                    # Used in front of Makefile lines to suppress the printing of the command if user did not opt-in to see them.
+export Q                     # Used in front of Makefile lines to suppress the printing of the command if user did not opt-in to see them.
 export QUIET                 # The parameter to use whether to show verbose makefile commands or not.
 
 export APPLICATION           # The application, set in the Makefile which is run by the user.