diff --git a/lib/sharp.js b/lib/sharp.js
index <HASH>..<HASH> 100644
--- a/lib/sharp.js
+++ b/lib/sharp.js
@@ -135,12 +135,12 @@ module.exports = function(file, config, options, cb) {
       image.toFormat(toFormat);
 
     } catch (err) {
-      return cb(new gutil.PluginError(PLUGIN_NAME, err));
+      return cb(new gutil.PluginError(PLUGIN_NAME, err, {showStack: true}));
     }
 
     image.toBuffer(function(err, buf) {
       if (err) {
-        return cb(new gutil.PluginError(PLUGIN_NAME, err));
+        return cb(new gutil.PluginError(PLUGIN_NAME, err, {showStack: true}));
       }
 
       var newFile = new gutil.File({
show error stack if error is from sharp