diff --git a/adminer/include/editing.inc.php b/adminer/include/editing.inc.php
index df1ebe2e..bc40d4cc 100644
--- a/adminer/include/editing.inc.php
+++ b/adminer/include/editing.inc.php
@@ -366,3 +366,17 @@ function tar_file($filename, $contents) {
 	$return .= sprintf("%06o", $checksum) . "\0 ";
 	return $return . str_repeat("\0", 512 - strlen($return)) . $contents . str_repeat("\0", 511 - (strlen($contents) + 511) % 512);
 }
+
+/** Get INI bytes value
+* @param string
+* @return int
+*/
+function ini_bytes($ini) {
+	$val = ini_get($ini);
+	switch (strtolower(substr($val, -1))) {
+		case 'g': $val *= 1024; // no break
+		case 'm': $val *= 1024; // no break
+		case 'k': $val *= 1024;
+	}
+	return $val;
+}
diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index 04b79888..9a5c40bb 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -571,7 +571,7 @@ function get_file($key, $decompress = false) {
 * @return string
 */
 function upload_error($error) {
-	$max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : null); // post_max_size is checked in index.php
+	$max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : 0); // post_max_size is checked in index.php
 	return ($error ? lang('Unable to upload a file.') . ($max_size ? " " . lang('Maximum allowed file size is %sB.', $max_size) : "") : lang('File does not exist.'));
 }
 
diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 762f0273..e4d135f5 100644
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -25,12 +25,12 @@ if (!$error && $_POST) {
 			: "compress.bzip2://adminer.sql.bz2"
 		)), "rb");
 		$query = ($fp ? fread($fp, 1e6) : false);
-	} elseif ($_FILES && $_FILES["sql_file"]["error"] != 4) { // 4 - UPLOAD_ERR_NO_FILE
+	} elseif ($_FILES && $_FILES["sql_file"]["error"] != UPLOAD_ERR_NO_FILE) {
 		$query = get_file("sql_file", true);
 	}
 	if (is_string($query)) { // get_file() returns error as number, fread() as false
 		if (function_exists('memory_get_usage')) {
-			@ini_set("memory_limit", max(ini_get("memory_limit"), 2 * strlen($query) + memory_get_usage() + 8e6)); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
+			@ini_set("memory_limit", max(ini_bytes("memory_limit"), 2 * strlen($query) + memory_get_usage() + 8e6)); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
 		}
 		if ($query != "" && strlen($query) < 1e6) { // don't add big queries
 			$q = $query . (ereg(';$', $query) ? "" : ";"); //! doesn't work with DELIMITER |