diff --git a/include/trusted-firmware-a.mk b/include/trusted-firmware-a.mk
index 9f38cfd6646..dd740c45f26 100644
--- a/include/trusted-firmware-a.mk
+++ b/include/trusted-firmware-a.mk
@@ -74,7 +74,7 @@ define Build/Compile/Trusted-Firmware-A
 		CROSS_COMPILE=$(TARGET_CROSS) \
 		OPENSSL_DIR=$(STAGING_DIR_HOST) \
 		PLAT=$(PLAT) \
-		BUILD_STRING="OpenWRT v$(PKG_VERSION)-$(PKG_RELEASE) ($(VARIANT))" \
+		BUILD_STRING="OpenWrt v$(PKG_VERSION)-$(PKG_RELEASE) ($(VARIANT))" \
 		$(TFA_MAKE_FLAGS)
 endef