4 files changed, 4 insertions, 4 deletions
diff --git a/admin/images/daily_stats.img.php b/admin/images/daily_stats.img.php
index 89a28e000..e5d320e86 100644
--- a/admin/images/daily_stats.img.php
+++ b/admin/images/daily_stats.img.php
@@ -116,7 +116,7 @@ if ($outputFormat == "png")
   header("Content-type: image/png");
   ImagePNG($image);
 }
-else if ($outputFormat == "jpg")
+else if (in_array($outputFormat, array("jpg", "jpeg")))
 {
   header("Content-type: image/jpeg");
   Imagejpeg($image);
diff --git a/admin/images/global_stats.img.php b/admin/images/global_stats.img.php
index 99124f939..557067e42 100644
--- a/admin/images/global_stats.img.php
+++ b/admin/images/global_stats.img.php
@@ -116,7 +116,7 @@ if ($outputFormat == "png")
   header("Content-type: image/png");
   ImagePNG($image);
 }
-else if ($outputFormat == "jpg")
+else if (in_array($outputFormat, array("jpg", "jpeg")))
 {
   header("Content-type: image/jpeg");
   Imagejpeg($image);
diff --git a/admin/images/monthly_stats.img.php b/admin/images/monthly_stats.img.php
index 3a3c0e143..5ad3b0f55 100644
--- a/admin/images/monthly_stats.img.php
+++ b/admin/images/monthly_stats.img.php
@@ -116,7 +116,7 @@ if ($outputFormat == "png")
   header("Content-type: image/png");
   ImagePNG($image);
 }
-else if ($outputFormat == "jpg")
+else if (in_array($outputFormat, array("jpg", "jpeg")))
 {
   header("Content-type: image/jpeg");
   Imagejpeg($image);
diff --git a/admin/thumbnail.php b/admin/thumbnail.php
index 594125a84..543b589cc 100644
--- a/admin/thumbnail.php
+++ b/admin/thumbnail.php
@@ -51,7 +51,7 @@ function RatioResizeImg($path, $newWidth, $newHeight, $tn_ext)
   // extension of the picture filename
   $extension = get_extension($filename);
 
-  if ($extension == 'jpg' or $extension == 'JPG')
+  if (in_array($extension, array('jpg', 'JPG', 'jpeg', 'JPEG')))
   {
     $srcImage = @imagecreatefromjpeg($path);
   }