diff --git a/src/librustc_typeck/check/intrinsic.rs b/src/librustc_typeck/check/intrinsic.rs
index 563b645910e41..93d8b3e1563d9 100644
--- a/src/librustc_typeck/check/intrinsic.rs
+++ b/src/librustc_typeck/check/intrinsic.rs
@@ -379,7 +379,7 @@ pub fn check_platform_intrinsic_type(ccx: &CrateCtxt,
                         span_err!(tcx.sess, it.span, E0444,
                                   "platform-specific intrinsic has invalid number of \
                                    arguments: found {}, expected {}",
-                                  intr.inputs.len(), sig.inputs.len());
+                                  sig.inputs.len(), intr.inputs.len());
                         return
                     }
                     let input_pairs = intr.inputs.iter().zip(&sig.inputs);
diff --git a/src/test/compile-fail/platform-intrinsic-params.rs b/src/test/compile-fail/platform-intrinsic-params.rs
new file mode 100644
index 0000000000000..e8a9031dba8db
--- /dev/null
+++ b/src/test/compile-fail/platform-intrinsic-params.rs
@@ -0,0 +1,16 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(platform_intrinsics)]
+extern "platform-intrinsic" {
+    fn x86_mm_movemask_ps() -> i32; //~ERROR found 0, expected 1
+}
+
+fn main() { }