diff --git a/Builds/VisualStudio2012/open-ephys.sln b/Builds/VisualStudio2012/open-ephys.sln
index 61074c0e04aebb4f1d48dd95b47ccd0a86ed9f09..520a8d855d09a997cfccb769049bb0e4c270ef34 100644
--- a/Builds/VisualStudio2012/open-ephys.sln
+++ b/Builds/VisualStudio2012/open-ephys.sln
@@ -1,21 +1,29 @@
-Microsoft Visual Studio Solution File, Format Version 11.00
+Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 2012
-Project("{5A05F353-1D63-394C-DFB0-981BB2309002}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "open-ephys", "open-ephys.vcxproj", "{9C924D66-7DEC-1AEF-B375-DB8666BFB909}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
-		Release|Win32 = Release|Win32
+		Debug|x64 = Debug|x64
+		Debug64|Win32 = Debug64|Win32
 		Debug64|x64 = Debug64|x64
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		Release64|Win32 = Release64|Win32
 		Release64|x64 = Release64|x64
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.ActiveCfg = Debug|Win32
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|Win32.Build.0 = Debug|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
-		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug|x64.ActiveCfg = Debug|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|Win32.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.ActiveCfg = Debug64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Debug64|x64.Build.0 = Debug64|x64
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|Win32.Build.0 = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release|x64.ActiveCfg = Release|Win32
+		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|Win32.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.ActiveCfg = Release64|x64
 		{9C924D66-7DEC-1AEF-B375-DB8666BFB909}.Release64|x64.Build.0 = Release64|x64
 	EndGlobalSection
diff --git a/Source/Processors/LfpDisplayNode/LfpDisplayCanvas.cpp b/Source/Processors/LfpDisplayNode/LfpDisplayCanvas.cpp
index d6337a50b611d901f0f1a1a988e94f543fea3c45..80bf36195d871a6fa5b928a410fc7b1da3b9fd30 100755
--- a/Source/Processors/LfpDisplayNode/LfpDisplayCanvas.cpp
+++ b/Source/Processors/LfpDisplayNode/LfpDisplayCanvas.cpp
@@ -637,7 +637,7 @@ void LfpDisplayCanvas::refreshState()
 void LfpDisplayCanvas::refreshScreenBuffer()
 {
 
-    for (int i = 0; i <= screenBufferIndex.size(); i++)
+    for (int i = 0; i < screenBufferIndex.size(); i++)
         screenBufferIndex.set(i,0);
 
     screenBuffer->clear();