diff --git a/htdocs/install/etape1.php b/htdocs/install/etape1.php
index 7b225c137ad..1f9681ed89f 100644
--- a/htdocs/install/etape1.php
+++ b/htdocs/install/etape1.php
@@ -724,7 +724,7 @@ function write_main_file($mainfile,$main_dir)
         clearstatcache();
         fputs($fp, '<?php'."\n");
         fputs($fp, "// Wrapper to include main into htdocs\n");
-        fputs($fp, "include_once '".$main_dir.'/main.inc.php');\n';
+        fputs($fp, "include_once '".$main_dir."/main.inc.php';\n");
         fputs($fp, '?>');
         fclose($fp);
     }
@@ -746,7 +746,7 @@ function write_master_file($masterfile,$main_dir)
         clearstatcache();
         fputs($fp, '<?php'."\n");
         fputs($fp, "// Wrapper to include master into htdocs\n");
-        fputs($fp, "include_once '".$main_dir.'/master.inc.php');\n';
+        fputs($fp, "include_once '".$main_dir."/master.inc.php';\n");
         fputs($fp, '?>');
         fclose($fp);
     }