diff --git a/glue.rs b/glue.rs
index aa6709ada..03af98abe 100644
--- a/glue.rs
+++ b/glue.rs
@@ -105,4 +105,5 @@ pub fn GetProxyHandler(obj: *JSObject) -> *libc::c_void;
 pub fn InvokeGetOwnPropertyDescriptor(handler: *libc::c_void, cx: *JSContext, proxy: *JSObject, id: jsid, set: JSBool, desc: *mut JSPropertyDescriptor) -> JSBool;
 pub fn GetGlobalForObjectCrossCompartment(obj: *JSObject) -> *JSObject;
 pub fn ReportError(cx: *JSContext, error: *c_char);
+pub fn ThrowTypeError(cx: *JSContext, error: *c_char);
 }
diff --git a/jsglue.cpp b/jsglue.cpp
index 79a8d61e6..ba8d53e56 100644
--- a/jsglue.cpp
+++ b/jsglue.cpp
@@ -463,4 +463,20 @@ ReportError(JSContext* aCx, const char* aError)
     JS_ReportError(aCx, aError);
 }
 
+static JSErrorFormatString ErrorFormatString = { "{0}", 1, JSEXN_TYPEERR };
+
+static const JSErrorFormatString*
+GetErrorMessage(void* aUserRef, const char* aLocale,
+                const unsigned aErrorNumber)
+{
+  assert(aErrorNumber == 0);
+  return &ErrorFormatString;
+}
+
+void
+ThrowTypeError(JSContext* aCx, const char* aError)
+{
+  JS_ReportErrorNumber(aCx, GetErrorMessage, NULL, 0, aError);
+}
+
 } // extern "C"
diff --git a/rust.rs b/rust.rs
index a54eea3cd..ea18b4360 100644
--- a/rust.rs
+++ b/rust.rs
@@ -11,6 +11,7 @@ use std::rc;
 use std::rt::Runtime;
 use jsapi::*;
 use jsval::{JSVal, NullValue};
+use glue;
 use default_stacksize;
 use default_heapsize;
 use JSOPTION_VAROBJFIX;
@@ -319,6 +320,12 @@ impl to_jsstr for ~str {
     }
 }
 
+pub fn ThrowTypeError(cx: *JSContext, error: &str) -> JSBool {
+    let error = error.to_c_str();
+    error.with_ref(|error| unsafe { glue::ThrowTypeError(cx, error) });
+    0
+}
+
 #[cfg(test)]
 pub mod test {
     use super::rt;