diff --git a/src/posix_tls.h b/src/posix_tls.h
index 2d702406b..f3f807043 100644
--- a/src/posix_tls.h
+++ b/src/posix_tls.h
@@ -42,7 +42,7 @@ typedef struct _GLFWtlsPOSIX
 } _GLFWtlsPOSIX;
 
 
-int _glfCreateContextTLS(void);
+int _glfwCreateContextTLS(void);
 void _glfwDestroyContextTLS(void);
 void _glfwSetContextTLS(_GLFWwindow* context);