diff --git a/includes/std/string.pat b/includes/std/string.pat
index 9325d85..833ce18 100644
--- a/includes/std/string.pat
+++ b/includes/std/string.pat
@@ -230,7 +230,7 @@ namespace std::string {
 				i = i + 1;
 			}
 		}
-		result = result + std::string::substr(string,string_len-pattern_len-1,pattern_len);
+		result = result + std::string::substr(string,string_len-pattern_len+1,pattern_len);
 		
 		return result;
 	};