diff --git a/inc/image.php b/inc/image.php
index 28242946..7899ba99 100644
--- a/inc/image.php
+++ b/inc/image.php
@@ -267,11 +267,11 @@ class ImageConvert extends ImageBase {
 		$quality = $config['thumb_quality'] * 10;
 		
 		if ($this->format == 'gif' && $config['thumb_ext'] == 'gif' && $config['thumb_keep_animation_frames'] > 1) {
-			if (shell_exec("convert -background transparent -filter Point -sample {$this->width}x{$this->height} +antialias -quality {$quality} " .
+			if (shell_exec("convert -filter Point -sample {$this->width}x{$this->height} +antialias -quality {$quality} " .
 				escapeshellarg($this->src . '') . " " . escapeshellarg($this->temp)) || !file_exists($this->temp))
 				error('Failed to resize image!');
 		} else {
-			if (shell_exec("convert -background transparent -flatten -filter Point -scale {$this->width}x{$this->height} +antialias -quality {$quality} " .
+			if (shell_exec("convert -flatten -filter Point -scale {$this->width}x{$this->height} +antialias -quality {$quality} " .
 				escapeshellarg($this->src . '[0]') . " " . escapeshellarg($this->temp)) || !file_exists($this->temp))
 				error('Failed to resize image!');
 		}