diff --git a/makefiles/scan-build.inc.mk b/makefiles/scan-build.inc.mk
index f91c691b77..9ac3ca917a 100644
--- a/makefiles/scan-build.inc.mk
+++ b/makefiles/scan-build.inc.mk
@@ -27,6 +27,7 @@ SCANBUILD_ENV_VARS := \
   QUIET \
   WERROR \
   RIOT_VERSION \
+  RIOT_CI_BUILD \
   SIZE \
   TOOLCHAIN \
   UNDEF \