diff --git a/src/IDF/Scm/Git.php b/src/IDF/Scm/Git.php
index 58792cc..6533ccf 100644
--- a/src/IDF/Scm/Git.php
+++ b/src/IDF/Scm/Git.php
@@ -43,10 +43,10 @@ class IDF_Scm_Git extends IDF_Scm
 
     public function getRepositorySize()
     {
-        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -bs '
+        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
             .escapeshellarg($this->repo);
         $out = split(' ', shell_exec($cmd), 2);
-        return (int) $out[0];
+        return (int) $out[0]*1024;
     }
 
     public function isAvailable()
diff --git a/src/IDF/Scm/Mercurial.php b/src/IDF/Scm/Mercurial.php
index 998e909..e8c8da7 100644
--- a/src/IDF/Scm/Mercurial.php
+++ b/src/IDF/Scm/Mercurial.php
@@ -35,10 +35,10 @@ class IDF_Scm_Mercurial extends IDF_Scm
 
     public function getRepositorySize()
     {
-        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -bs '
+        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
             .escapeshellarg($this->repo);
         $out = split(' ', shell_exec($cmd), 2);
-        return (int) $out[0];
+        return (int) $out[0]*1024;
     }
 
     public static function factory($project)
diff --git a/src/IDF/Scm/Svn.php b/src/IDF/Scm/Svn.php
index 00ab6d2..d9d1ef1 100644
--- a/src/IDF/Scm/Svn.php
+++ b/src/IDF/Scm/Svn.php
@@ -56,10 +56,10 @@ class IDF_Scm_Svn extends IDF_Scm
         if (strpos($this->repo, 'file://') !== 0) {
             return -1;
         }
-        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -bs '
+        $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
             .escapeshellarg(substr($this->repo, 7));
         $out = split(' ', shell_exec($cmd), 2);
-        return (int) $out[0];
+        return (int) $out[0]*1024;
     }
 
     /**
diff --git a/src/IDF/Views/Admin.php b/src/IDF/Views/Admin.php
index b101161..b4cda6e 100644
--- a/src/IDF/Views/Admin.php
+++ b/src/IDF/Views/Admin.php
@@ -319,14 +319,14 @@ function IDF_Views_Admin_getForgeSize()
             $res['repositories'] += $size;
         }
     }
-    $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -bs '
+    $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
         .escapeshellarg(Pluf::f('upload_path'));
     $out = split(' ', shell_exec($cmd), 2);
-    $res['downloads'] = $out[0];
-    $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -bs '
+    $res['downloads'] = $out[0]*1024;
+    $cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
         .escapeshellarg(Pluf::f('upload_issue_path'));
     $out = split(' ', shell_exec($cmd), 2);
-    $res['attachments'] = $out[0];
+    $res['attachments'] = $out[0]*1024;
     $res['total'] = $res['repositories'] + $res['downloads'] + $res['attachments'];
     // TODO: now we need the db
     return $res;