diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc005aa..efabda5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,11 @@
 # Changelog
 All notable changes to this project will be documented in this file. Older changes are summarized on individual commits.
 
+## [0.7.13.1]
+- Thumb creation bugfix
+
 ## [0.7.13.0]
 - Rewrites to diskutil code
 - Rewrites to mdutil code
 - Restructure paths
-- Remove bundled Imagemagick
 - Fixed a sort order bug in rtc.php
\ No newline at end of file
diff --git a/Tester.zip b/Tester.zip
index 2df1608..c52d89c 100644
Binary files a/Tester.zip and b/Tester.zip differ
diff --git a/Tester/Tester.php b/Tester/Tester.php
index 96804dc..0399bda 100644
--- a/Tester/Tester.php
+++ b/Tester/Tester.php
@@ -17,6 +17,7 @@ $bin_qltool			= __DIR__."/bin/qltool";
 $bin_sox			= __DIR__."/bin/sox";
 $bin_pngquant		= __DIR__."/bin/pngquant";
 $bin_parallel		= __DIR__."/bin/parallel";
+$bin_convert		= __DIR__."/bin/convert";
 
 // System tools
 $bin_php			= "php";
@@ -24,12 +25,10 @@ $bin_qlmanage		= "qlmanage";
 $bin_sips			= "sips";
 
 // External tools
-$bin_convert		= "/opt/local/bin/convert";
 $bin_vips			= "/opt/local/bin/vipsthumbnail";
 
 //////////////////////////////////////////////////////////////////////
 
-if (empty(shell_exec("which ".$bin_convert))) { echo "Binary not found: ".$bin_convert."\n"; }
 if (empty(shell_exec("which ".$bin_vips))) { echo "Binary not found: ".$bin_vips."\n"; }
 
 if (empty($argv[2])) { echo "Nothing dragged"; die; }
diff --git a/Yuba.app.zip b/Yuba.app.zip
index 7b9e90c..f9188c6 100644
Binary files a/Yuba.app.zip and b/Yuba.app.zip differ
diff --git a/Yuba.php b/Yuba.php
index ddc00c8..f01d28f 100755
--- a/Yuba.php
+++ b/Yuba.php
@@ -68,7 +68,7 @@ if (!is_dir($tmpdir)) { mkdir($tmpdir,0777,true); }
 
 $stamp = date("Y-m-d_H-i-s", $mytime);
 
-if (!isset($argv[1])) { echo "No input"; die; }
+if (!isset($argv[1]) || $argv[1] == "") { echo "No input"; die; }
 $zpath = realpath(@$argv[1]);
 if ($p['bdest']) { $bdest = realpath($p['bdest']); } else { $bdest = "/Users/".get_current_user()."/Documents/Yuba/"; }
 if (!is_dir($bdest)) { if (!mkdir($bdest)) { echo "Error creating directory: ".$bdest; die; } }
@@ -569,10 +569,10 @@ if ($p['thumbs']) {
 		$pathname = $array[1];
 		$tcmd = $bin_php." ".$helper." thumbs ".$fid." ".escapeshellarg($pathname)." ".escapeshellarg($bpath)." ".$mytime."; echo ".ProgressBar::next();
 		msg($tcmd);
-		$line[] = $tcmd;
+		$tline[] = $tcmd;
 		}
 		
-	file_put_contents($batchfile,implode("\n", $line));
+	file_put_contents($batchfile,implode("\n", $tline));
 	echo ProgressBar::finish($wopt_clear);
 	
 	echo ProgressBar::start($passed_file,"Running thumb batch (".stepString().")");
@@ -600,10 +600,10 @@ if ($p['icons']) {
 		$pathname = $array[1];
 		$icmd = $bin_php." ".$helper." icons ".$fid." ".escapeshellarg($pathname)." ".escapeshellarg($bpath)." ".$mytime."; echo ".ProgressBar::next();
 		msg($icmd);
-		$line[] = $icmd;
+		$iline[] = $icmd;
 		}
 		
-	file_put_contents($batchfile,implode("\n", $line));
+	file_put_contents($batchfile,implode("\n", $iline));
 	echo ProgressBar::finish($wopt_clear);
 	
 	echo ProgressBar::start($passed_file,"Running icon batch (".stepString().")");	
diff --git a/Yuba.platypus b/Yuba.platypus
index 80bcc78..7a650d5 100644
--- a/Yuba.platypus
+++ b/Yuba.platypus
@@ -37,7 +37,7 @@
 	<key>InterfaceType</key>
 	<string>Progress Bar</string>
 	<key>InterpreterPath</key>
-	<string>/usr/bin/php</string>
+	<string>/bin/bash</string>
 	<key>Name</key>
 	<string>Yuba</string>
 	<key>NibPath</key>
diff --git a/current_version.txt b/current_version.txt
index 45c8651..7f92c14 100755
--- a/current_version.txt
+++ b/current_version.txt
@@ -1 +1 @@
-0.7.13.0
\ No newline at end of file
+0.7.13.1
\ No newline at end of file
diff --git a/filetypes.php b/filetypes.php
index c10b8b9..102a79a 100755
--- a/filetypes.php
+++ b/filetypes.php
@@ -13,6 +13,7 @@ $bin_qltool			= __DIR__."/bin/qltool";
 $bin_sox			= __DIR__."/bin/sox";
 $bin_pngcrush		= __DIR__."/bin/pngcrush";
 $bin_parallel		= __DIR__."/bin/parallel";
+$bin_convert		= __DIR__."/bin/convert";
 
 // System tools
 $bin_php			= "php";
@@ -20,7 +21,6 @@ $bin_qlmanage		= "qlmanage";
 $bin_sips			= "sips";
 
 // External tools
-$bin_convert		= "/opt/local/bin/convert";
 $bin_vips			= "/opt/local/bin/vipsthumbnail";
 
 // Treat these directories as files
diff --git a/script b/script
index 75f9fbe..1b944ae 100755
--- a/script
+++ b/script
@@ -1,5 +1,3 @@
-<?php
+#!/bin/bash
 
-require(__DIR__."/Yuba.php");
-
-?>
\ No newline at end of file
+/usr/bin/php Yuba.php "$1"
\ No newline at end of file