diff --git a/src/app/tabs/runTab/model/settings.js b/src/app/tabs/runTab/model/settings.js
index 5d961c077c..1e20960a71 100644
--- a/src/app/tabs/runTab/model/settings.js
+++ b/src/app/tabs/runTab/model/settings.js
@@ -93,7 +93,7 @@ class Settings {
       const hashedMsg = executionContext.web3().sha3(message)
       try {
         executionContext.web3().eth.sign(account, hashedMsg, (error, signedData) => {
-          cb(error, hashedMsg, signedData)
+          cb(error.message, hashedMsg, signedData)
         })
       } catch (e) {
         cb(e.message)
@@ -105,7 +105,7 @@ class Settings {
     try {
       var personal = new Personal(executionContext.web3().currentProvider)
       personal.sign(hashedMsg, account, passphrase, (error, signedData) => {
-        cb(error, hashedMsg, signedData)
+        cb(error.message, hashedMsg, signedData)
       })
     } catch (e) {
       cb(e.message)
diff --git a/src/app/ui/tooltip.js b/src/app/ui/tooltip.js
index bf8b3f1a87..b573026437 100644
--- a/src/app/ui/tooltip.js
+++ b/src/app/ui/tooltip.js
@@ -1,5 +1,6 @@
 var yo = require('yo-yo')
 var css = require('./styles/tooltip-styles')
+var modal = require('./modal-dialog-custom')
 
 /**
  * Open a tooltip
@@ -25,9 +26,11 @@ class Toaster {
     opts = defaultOptions(opts)
 
     return new Promise((resolve, reject) => {
+      const shortTooltipText = tooltipText.length > 201 ? tooltipText.substring(0, 200) + '...' : tooltipText
+
       this.tooltip = yo`
     <div class="${css.tooltip} bg-secondary" onmouseenter=${() => { over() }} onmouseleave=${() => { out() }}>
-      <span>${tooltipText}</span>
+      <span>${shortTooltipText}<button class="btn btn-secondary btn-sm" onclick=${() => { modal.alert(tooltipText) }}>show full message</button></span>
       ${action}
     </div>`
       let timeOut = () => {