diff --git a/src/librustc_llvm/ffi.rs b/src/librustc_llvm/ffi.rs
index 8f21bf32c9e4d..2173adf2e6e2d 100644
--- a/src/librustc_llvm/ffi.rs
+++ b/src/librustc_llvm/ffi.rs
@@ -41,6 +41,7 @@ pub enum CallConv {
     ColdCallConv = 9,
     X86StdcallCallConv = 64,
     X86FastcallCallConv = 65,
+    ArmAapcsCallConv = 67,
     X86_64_SysV = 78,
     X86_64_Win64 = 79,
     X86_VectorCall = 80,
diff --git a/src/librustc_trans/abi.rs b/src/librustc_trans/abi.rs
index f2e15a8973c91..cb06fac2c674e 100644
--- a/src/librustc_trans/abi.rs
+++ b/src/librustc_trans/abi.rs
@@ -274,10 +274,10 @@ impl FnType {
             C => llvm::CCallConv,
             Win64 => llvm::X86_64_Win64,
             SysV64 => llvm::X86_64_SysV,
+            Aapcs => llvm::ArmAapcsCallConv,
 
             // These API constants ought to be more specific...
             Cdecl => llvm::CCallConv,
-            Aapcs => llvm::CCallConv,
         };
 
         let mut inputs = &sig.inputs[..];