diff --git a/CompilerSource/general/bettersystem.cpp b/CompilerSource/general/bettersystem.cpp
index 738f220fee..293f918d63 100644
--- a/CompilerSource/general/bettersystem.cpp
+++ b/CompilerSource/general/bettersystem.cpp
@@ -354,7 +354,7 @@ void myReplace(std::string& str, const std::string& oldStr, const std::string& n
         // Background process groups get SIGTTIN if
         // reading from the terminal.
         int infd = open("/dev/null", O_RDONLY);
-        dup2(infd, STDIN_FILNO);
+        dup2(infd, STDIN_FILENO);
         close(STDIN_FILENO);
 
         // Redirect STDOUT