diff --git a/Library/MeterHistogram.cpp b/Library/MeterHistogram.cpp
index 10103bf93..c8c790a39 100644
--- a/Library/MeterHistogram.cpp
+++ b/Library/MeterHistogram.cpp
@@ -20,18 +20,18 @@ MeterHistogram::MeterHistogram(Skin* skin, const WCHAR* name) : Meter(skin, name
 	m_PrimaryColor(D2D1::ColorF(D2D1::ColorF::Green)),
 	m_SecondaryColor(D2D1::ColorF(D2D1::ColorF::Red)),
 	m_OverlapColor(D2D1::ColorF(D2D1::ColorF::Yellow)),
-	m_MeterPos(),
+	m_MeterPos(0),
 	m_Autoscale(false),
 	m_Flip(false),
 	m_PrimaryImage(L"PrimaryImage", c_PrimaryOptionArray, false, skin),
 	m_SecondaryImage(L"SecondaryImage", c_SecondaryOptionArray, false, skin),
 	m_OverlapImage(L"BothImage", c_BothOptionArray, false, skin),
-	m_PrimaryValues(),
-	m_SecondaryValues(),
+	m_PrimaryValues(nullptr),
+	m_SecondaryValues(nullptr),
 	m_MaxPrimaryValue(1.0),
-	m_MinPrimaryValue(),
+	m_MinPrimaryValue(0.0),
 	m_MaxSecondaryValue(1.0),
-	m_MinSecondaryValue(),
+	m_MinSecondaryValue(0.0),
 	m_SizeChanged(true),
 	m_GraphStartLeft(false),
 	m_GraphHorizontalOrientation(false)
@@ -372,7 +372,7 @@ bool MeterHistogram::Draw(Gfx::Canvas& canvas)
 	int displayH = (int)(meterRect.bottom - meterRect.top);
 
 	// Default values (GraphStart=Right, GraphOrientation=Vertical)
-	int i;
+	int i = 0;
 	int startValue = 0;
 	int* endValueLHS = &i;
 	int* endValueRHS = &displayW;
diff --git a/Library/MeterLine.cpp b/Library/MeterLine.cpp
index 1c3766005..1acd9d942 100644
--- a/Library/MeterLine.cpp
+++ b/Library/MeterLine.cpp
@@ -20,7 +20,7 @@ MeterLine::MeterLine(Skin* skin, const WCHAR* name) : Meter(skin, name),
 	m_LineWidth(1.0),
 	m_HorizontalColor(D2D1::ColorF(D2D1::ColorF::Black)),
 	m_StrokeType(D2D1_STROKE_TRANSFORM_TYPE_NORMAL),
-	m_CurrentPos(),
+	m_CurrentPos(0),
 	m_GraphStartLeft(false),
 	m_GraphHorizontalOrientation(false)
 {
@@ -84,7 +84,7 @@ void MeterLine::Initialize()
 */
 void MeterLine::ReadOptions(ConfigParser& parser, const WCHAR* section)
 {
-	WCHAR tmpName[64];
+	WCHAR tmpName[64] = { 0 };
 
 	// Store the current number of lines so we know if the buffer needs to be updated
 	int oldLineCount = (int)m_Colors.size();
diff --git a/Library/MeterRoundLine.cpp b/Library/MeterRoundLine.cpp
index 458773da5..89818e41e 100644
--- a/Library/MeterRoundLine.cpp
+++ b/Library/MeterRoundLine.cpp
@@ -84,7 +84,7 @@ bool MeterRoundLine::Update()
 		}
 
 		Measure* measure = m_Measures[0];
-		if (m_ValueRemainder > 0)
+		if (m_ValueRemainder > 0U)
 		{
 			LONGLONG time = (LONGLONG)measure->GetValue();
 			m_Value = (double)(time % m_ValueRemainder);