diff --git a/src/Composer/Command/ShowCommand.php b/src/Composer/Command/ShowCommand.php
index 7241b1ef8..f83f9fd74 100644
--- a/src/Composer/Command/ShowCommand.php
+++ b/src/Composer/Command/ShowCommand.php
@@ -288,7 +288,7 @@ EOT
                             }
                         }
                     } else {
-                        $nameLength = max($nameLength, $package);
+                        $nameLength = max($nameLength, strlen($package));
                     }
                 }
                 list($width) = $this->getApplication()->getTerminalDimensions();