diff --git a/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs b/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
index 837856344280f..7e45b32065360 100644
--- a/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
+++ b/src/librustc_back/target/mips64_unknown_linux_gnuabi64.rs
@@ -15,7 +15,7 @@ pub fn target() -> TargetResult {
         llvm_target: "mips64-unknown-linux-gnuabi64".to_string(),
         target_endian: "big".to_string(),
         target_pointer_width: "64".to_string(),
-        data_layout: "E-m:m-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
+        data_layout: "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
         target_os: "linux".to_string(),
         target_env: "gnu".to_string(),
diff --git a/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs b/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
index e1340e8e127b2..338a5da1e1d1d 100644
--- a/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
+++ b/src/librustc_back/target/mips64el_unknown_linux_gnuabi64.rs
@@ -15,7 +15,7 @@ pub fn target() -> TargetResult {
         llvm_target: "mips64el-unknown-linux-gnuabi64".to_string(),
         target_endian: "little".to_string(),
         target_pointer_width: "64".to_string(),
-        data_layout: "e-m:m-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
+        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128".to_string(),
         arch: "mips64".to_string(),
         target_os: "linux".to_string(),
         target_env: "gnu".to_string(),