diff --git a/Library/MeasurePlugin.cpp b/Library/MeasurePlugin.cpp
index cd636a3a..a56e2727 100644
--- a/Library/MeasurePlugin.cpp
+++ b/Library/MeasurePlugin.cpp
@@ -183,7 +183,7 @@ void CMeasurePlugin::ReadConfig(CConfigParser& parser, const WCHAR* section)
 	// Remove current directory from DLL search path
 	SetDllDirectory(L"");
 
-	double maxValue;
+	double maxValue = 0.0;
 
 	if (IsNewApi())
 	{