diff --git a/fb303/ExportType.h b/fb303/ExportType.h
index 1c6eaf2a0..afea3d7ca 100644
--- a/fb303/ExportType.h
+++ b/fb303/ExportType.h
@@ -126,7 +126,7 @@ struct QuantileConsts {
   static constexpr const std::array<double, 4> kP50_P95_P99_P100{
       {.5, .95, .99, 1}};
   static constexpr const std::array<double, 2> kP0_P100{{.0, 1}};
-  static constexpr const std::array<double, 4> kP25_p50_p75_p95{
+  static constexpr const std::array<double, 4> kP25_P50_P75_P95{
       {.25, 0.5, 0.75, 0.95}};
 };