diff --git a/classes/Tools.php b/classes/Tools.php
index c5e72ea81..83b6c0c15 100644
--- a/classes/Tools.php
+++ b/classes/Tools.php
@@ -1566,8 +1566,8 @@ class ToolsCore
 			fwrite($write_fd, "# Images\n");
 			if (Configuration::get('PS_LEGACY_IMAGES'))
 			{
-				fwrite($write_fd, 'RewriteRule (*UTF8)^([a-z0-9]+)\-([a-z0-9]+)(\-[_a-zA-Z0-9-]*)(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.'$1-$2$3$4.jpg [L]'."\n");
-				fwrite($write_fd, 'RewriteRule (*UTF8)^([0-9]+)\-([0-9]+)(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.'$1-$2$3.jpg [L]'."\n");
+				fwrite($write_fd, 'RewriteRule ^([a-z0-9]+)\-([a-z0-9]+)(\-[_a-zA-Z0-9-]*)(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.'$1-$2$3$4.jpg [L]'."\n");
+				fwrite($write_fd, 'RewriteRule ^([0-9]+)\-([0-9]+)(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.'$1-$2$3.jpg [L]'."\n");
 			}
 
 			// Rewrite product images < 100 millions
@@ -1580,10 +1580,10 @@ class ToolsCore
 					$img_name .= '$'.$j;
 				}
 				$img_name .= '$'.$j;
-				fwrite($write_fd, 'RewriteRule (*UTF8)^'.str_repeat('([0-9])', $i).'(\-[_a-zA-Z0-9-]*)?(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.$img_path.$img_name.'$'.($j+1).".jpg [L]\n");
+				fwrite($write_fd, 'RewriteRule ^'.str_repeat('([0-9])', $i).'(\-[_a-zA-Z0-9-]*)?(-[0-9]+)?/[_a-zA-Z0-9-\pL]*\.jpg$ '._PS_PROD_IMG_.$img_path.$img_name.'$'.($j+1).".jpg [L]\n");
 			}
-			fwrite($write_fd, 'RewriteRule (*UTF8)^c/([0-9]+)(\-[_a-zA-Z0-9-\pL]*)(-[0-9]+)?/[_a-zA-Z0-9-]*\.jpg$ img/c/$1$2$3.jpg [L]'."\n");
-			fwrite($write_fd, 'RewriteRule (*UTF8)^c/([a-zA-Z-]+)(-[0-9]+)?/[a-zA-Z0-9-\pL]+\.jpg$ img/c/$1$2.jpg [L]'."\n");
+			fwrite($write_fd, 'RewriteRule ^c/([0-9]+)(\-[_a-zA-Z0-9-\pL]*)(-[0-9]+)?/[_a-zA-Z0-9-]*\.jpg$ img/c/$1$2$3.jpg [L]'."\n");
+			fwrite($write_fd, 'RewriteRule ^c/([a-zA-Z-]+)(-[0-9]+)?/[a-zA-Z0-9-\pL]+\.jpg$ img/c/$1$2.jpg [L]'."\n");
 		}
 
 		// Redirections to dispatcher