diff --git a/source/CheckableTestModel/CheckableTestModel.cpp b/source/CheckableTestModel/CheckableTestModel.cpp
index e962874..4dcf09c 100644
--- a/source/CheckableTestModel/CheckableTestModel.cpp
+++ b/source/CheckableTestModel/CheckableTestModel.cpp
@@ -10,7 +10,7 @@ CheckableTestModel::CheckableTestModel(QObject *parent)
 
 int CheckableTestModel::rowCount(const QModelIndex &parent) const
 {
-	return m_tests.size();
+    return static_cast<int>(m_tests.size());
 }
 
 int CheckableTestModel::columnCount(const QModelIndex &parent) const
@@ -19,7 +19,7 @@ int CheckableTestModel::columnCount(const QModelIndex &parent) const
 
 	for (const auto &test : m_tests)
 	{
-		columnCount = std::max<int>(columnCount, test.size());
+        columnCount = std::max(columnCount, static_cast<int>(test.size()));
 	}
 
 	return columnCount;
@@ -181,7 +181,7 @@ const CheckableItem &CheckableTestModel::getItem(const QModelIndex &index) const
 
 unsigned int CheckableTestModel::getPoints() const
 {
-	size_t points = 0;
+    unsigned int points = 0;
 
 	for (const auto &test : m_tests)
 	{
diff --git a/source/ResultWidget/PRMap.cpp b/source/ResultWidget/PRMap.cpp
index ee86854..41e76dc 100644
--- a/source/ResultWidget/PRMap.cpp
+++ b/source/ResultWidget/PRMap.cpp
@@ -30,6 +30,8 @@ unsigned int PRMap::lookup(const Age &age, const unsigned int &points)
 				return index - 1;
 			}
 		}
+
+        return 0;
 	}();
 
 	if (ageIndex >= m_PRs.at(points).size())
diff --git a/source/SubTests/V2Svk/V2SvkModel.cpp b/source/SubTests/V2Svk/V2SvkModel.cpp
index d86b883..249fe91 100644
--- a/source/SubTests/V2Svk/V2SvkModel.cpp
+++ b/source/SubTests/V2Svk/V2SvkModel.cpp
@@ -38,7 +38,7 @@ V2SvkModel::V2SvkModel(QObject *parent)
 
 unsigned int V2SvkModel::getV2Points()
 {
-	size_t points = 0;
+    unsigned int points = 0;
 
 	for (auto testIndex : { 0, 1, 3, 5, 7, 8 })
 	{
@@ -58,7 +58,7 @@ unsigned int V2SvkModel::getV2Points()
 
 unsigned int V2SvkModel::getSvkPoints()
 {
-	size_t points = 0;
+    unsigned int points = 0;
 
 	for (auto testIndex : { 2, 4, 6, 9, 10 })
 	{