diff --git a/scripts/exclude_list.php b/scripts/exclude_list.php
index dbbbaa0..876606f 100644
--- a/scripts/exclude_list.php
+++ b/scripts/exclude_list.php
@@ -16,7 +16,7 @@
     $eachline = file($filename, FILE_IGNORE_NEW_LINES);
     
     foreach($eachline as $lines){echo 
-  "<option value='".$lines."'>$lines</option>";}
+  "<option value=\"".$lines."\">$lines</option>";}
   ?>
   </select>
   <input type="hidden" name="add" value="add">
@@ -43,7 +43,7 @@
   $eachline = file($filename, FILE_IGNORE_NEW_LINES);
   foreach($eachline as $lines){
     echo 
-  "<option value='".$lines."'>$lines</option>";
+  "<option value=\"".$lines."\">$lines</option>";
 }?>
   </select>
   <input type="hidden" name="del" value="del">
diff --git a/scripts/include_list.php b/scripts/include_list.php
index 6c90849..ad663be 100644
--- a/scripts/include_list.php
+++ b/scripts/include_list.php
@@ -23,7 +23,7 @@ $eachlines = file($filename, FILE_IGNORE_NEW_LINES);
     <option selected value="base">Please Select</option>
       <?php   
         foreach($eachlines as $lines){echo 
-    "<option value='".$lines."'>$lines</option>";}
+    "<option value=\"".$lines."\">$lines</option>";}
        ?>
   </select>
   <input type="hidden" name="add" value="add">
@@ -50,7 +50,7 @@ $eachlines = file($filename, FILE_IGNORE_NEW_LINES);
         $filename = './scripts/include_species_list.txt';
         $eachlines = file($filename, FILE_IGNORE_NEW_LINES);
         foreach($eachlines as $lines){echo 
-    "<option value='".$lines."'>$lines</option>";}
+    "<option value=\"".$lines."\">$lines</option>";}
       ?>
   </select>
   <input type="hidden" name="del" value="del">