diff --git a/src/liblibc/lib.rs b/src/liblibc/lib.rs
index ff87b7fb0074b..3d566738f4108 100644
--- a/src/liblibc/lib.rs
+++ b/src/liblibc/lib.rs
@@ -2588,7 +2588,7 @@ pub mod consts {
             pub static PROT_GROWSUP : c_int = 0x020000000;
 
             pub static MAP_TYPE : c_int = 0x000f;
-            pub static MAP_ANONONYMOUS : c_int = 0x0020;
+            pub static MAP_ANONYMOUS : c_int = 0x0020;
             pub static MAP_32BIT : c_int = 0x0040;
             pub static MAP_GROWSDOWN : c_int = 0x0100;
             pub static MAP_DENYWRITE : c_int = 0x0800;
@@ -2611,7 +2611,7 @@ pub mod consts {
             pub static PROT_GROWSUP : c_int = 0x02000000;
 
             pub static MAP_TYPE : c_int = 0x000f;
-            pub static MAP_ANONONYMOUS : c_int = 0x0800;
+            pub static MAP_ANONYMOUS : c_int = 0x0800;
             pub static MAP_GROWSDOWN : c_int = 0x01000;
             pub static MAP_DENYWRITE : c_int = 0x02000;
             pub static MAP_EXECUTABLE : c_int = 0x04000;