diff --git a/CMakeLists.txt b/CMakeLists.txt
index d6706e6..4a2c6a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.2)
 project(identiconpp
-        VERSION 0.3.4
+        VERSION 0.3.5
         LANGUAGES CXX
 )
 
diff --git a/src/checks.cpp b/src/checks.cpp
index 655107b..782a137 100644
--- a/src/checks.cpp
+++ b/src/checks.cpp
@@ -54,7 +54,7 @@ void Identiconpp::check_entropy(const string &digest, algorithm type)
         }
         case algorithm::sigil:
         {
-            entropy_provided = digest.length() / 2 * 8;
+            entropy_provided = digest.length() * 4;
             entropy_required = (_columns / 2 + _columns % 2) * _rows + 8;
             break;
         }