diff --git a/_compile.php b/_compile.php
index 29118193..19e4deec 100644
--- a/_compile.php
+++ b/_compile.php
@@ -127,7 +127,7 @@ function php_shrink($input) {
 			} elseif ($token[0] === T_VARIABLE && !isset($special_variables[$token[1]])) {
 				$token[1] = '$' . $short_variables[$token[1]];
 			} elseif ($token[0] === T_STRING && $tokens[$i+1] === '(' && isset($defined_functions[$token[1]])
-			&& $tokens[$i-1][0] !== T_DOUBLE_COLON && $tokens[$i-2][0] !== T_NEW && !in_array($tokens[$i-2][1], array('_result', '$_result'), true)
+			&& $tokens[$i-1][0] !== T_DOUBLE_COLON && $tokens[$i-2][0] !== T_NEW && $tokens[$i-2][1] !== '_result'
 			) {
 				$token[1] = $short_functions[$token[1]];
 			} elseif ($token[0] == T_CONSTANT_ENCAPSED_STRING && (($tokens[$i-1] === '(' && in_array($tokens[$i-2][1], array('array_map', 'set_exception_handler'), true)) || $token[1] == "'normalize_enum'") && isset($defined_functions[substr($token[1], 1, -1)])) {
diff --git a/abstraction.inc.php b/abstraction.inc.php
index 3824e0d8..3d65a42d 100644
--- a/abstraction.inc.php
+++ b/abstraction.inc.php
@@ -191,19 +191,19 @@ if (extension_loaded("mysqli")) {
 		}
 		
 		function query($query) {
-			$_result = parent::query($query);
-			if (!$_result) {
+			$result = parent::query($query);
+			if (!$result) {
 				$errorInfo = $this->errorInfo();
 				$this->error = $errorInfo[2];
 				return false;
 			}
-			$this->_result = $_result;
-			if (!$_result->columnCount()) {
-				$this->affected_rows = $_result->rowCount();
+			$this->_result = $result;
+			if (!$result->columnCount()) {
+				$this->affected_rows = $result->rowCount();
 				return true;
 			}
-			$_result->num_rows = $_result->rowCount();
-			return $_result;
+			$result->num_rows = $result->rowCount();
+			return $result;
 		}
 		
 		function multi_query($query) {
@@ -218,11 +218,11 @@ if (extension_loaded("mysqli")) {
 			return $this->_result->nextRowset();
 		}
 		
-		function result($_result, $field = 0) {
-			if (!$_result) {
+		function result($result, $field = 0) {
+			if (!$result) {
 				return false;
 			}
-			$row = $_result->fetch();
+			$row = $result->fetch();
 			return $row[$field];
 		}
 		
diff --git a/todo.txt b/todo.txt
index e5e84070..5adde629 100644
--- a/todo.txt
+++ b/todo.txt
@@ -10,4 +10,4 @@ Function to fix database encoding - http://php.vrana.cz/prevod-kodovani-mysql.ph
 ? Execution time in sql.inc.php
 ? Save token also to cookie - for session expiration and login in other window
 ? Save uploaded files after error to session variable instead of hidden field
-? Aliasing of built-in functions can save 7 KB, substitution of $_GET and friends can save 2 KB, remove of base64_decode() + using chars 127-255 in minification can save 1 KB
+? Aliasing of built-in functions can save 7 KB, substitution of $_GET and friends can save 2 KB, remove of base64_decode() + using chars 127-255 in minification can save 1 KB, JS shrink can save 1 KB