diff --git a/lib/runtime/build.rs b/lib/runtime/build.rs
index d7c9e575c8..2e855b6c91 100644
--- a/lib/runtime/build.rs
+++ b/lib/runtime/build.rs
@@ -14,7 +14,7 @@ fn main() {
     println!("cargo:rustc-link-lib=static=SignalHandlers");
 
     let mut bindings_builder = bindgen::Builder::default()
-        .header("signalhandlers/SignalHandlers.h")
+        .header("signalhandlers/SignalHandlers.hpp")
         .whitelist_type("TrapContext")
         .whitelist_type("jmp_buf")
         .whitelist_function("EnsureEagerSignalHandlers");
diff --git a/lib/runtime/signalhandlers/SignalHandlers.cpp b/lib/runtime/signalhandlers/SignalHandlers.cpp
index 91d15a8d1d..c39c6f42c8 100644
--- a/lib/runtime/signalhandlers/SignalHandlers.cpp
+++ b/lib/runtime/signalhandlers/SignalHandlers.cpp
@@ -5,7 +5,7 @@
 //! Use of Mach ports on Darwin platforms (the USE_APPLE_MACH_PORTS code below) is
 //! currently disabled.
 
-#include "SignalHandlers.h"
+#include "SignalHandlers.hpp"
 
 #include <stdint.h>
 #include <assert.h>
diff --git a/lib/runtime/signalhandlers/SignalHandlers.h b/lib/runtime/signalhandlers/SignalHandlers.hpp
similarity index 100%
rename from lib/runtime/signalhandlers/SignalHandlers.h
rename to lib/runtime/signalhandlers/SignalHandlers.hpp