diff --git a/src/solidity/types/Bool.js b/src/solidity/types/Bool.js
index 6889b909da..5df3e29fa2 100644
--- a/src/solidity/types/Bool.js
+++ b/src/solidity/types/Bool.js
@@ -12,4 +12,12 @@ Bool.prototype.decodeFromStorage = function (location, storageContent) {
   return value !== '00'
 }
 
+Bool.prototype.decodeLocals = function (stackHeight, stack, memory) {
+  if (stack.length - 1 < stackHeight) {
+    return false
+  } else {
+    return util.extractHexByteSlice(stack[stack.length - 1 - stackHeight], this.storageBytes, 0) !== '00'
+  }
+}
+
 module.exports = Bool