diff --git a/projects/apache.org/thrift/package.yml b/projects/apache.org/thrift/package.yml
index 1d2b31ff..646aaeb1 100644
--- a/projects/apache.org/thrift/package.yml
+++ b/projects/apache.org/thrift/package.yml
@@ -55,6 +55,8 @@ build:
       - --without-swift
     PY_PREFIX: "{{prefix}}"
     PHP_PREFIX: "{{prefix}}"
+    # 0.19.0 has an unused `int j = 0;`.
+    CXXFLAGS: $CXXFLAGS -Wno-unused-but-set-variable
 
 provides:
   - bin/thrift