diff --git a/package/squid/squid.mk b/package/squid/squid.mk
index bcb3744dee..d334d14c88 100644
--- a/package/squid/squid.mk
+++ b/package/squid/squid.mk
@@ -21,7 +21,7 @@ SQUID_CONF_ENV = \
 	ac_cv_func___va_copy=yes \
 	ac_cv_func_strnstr=no \
 	ac_cv_have_squid=yes \
-	BUILXCXX="$(HOSTCXX)" \
+	BUILDCXX="$(HOSTCXX)" \
 	BUILDCXXFLAGS="$(HOST_CXXFLAGS)"
 SQUID_CONF_OPTS = \
 	--enable-async-io=8 \