diff --git a/nuget/OpenCvSharp-x64.nuspec b/nuget/OpenCvSharp-x64.nuspec
index c29f6c3ee..11e08af2d 100644
--- a/nuget/OpenCvSharp-x64.nuspec
+++ b/nuget/OpenCvSharp-x64.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>OpenCvSharp-x64</id>
-        <version>2.4.8.20140331</version>
+        <version>2.4.8.20140405</version>
         <title>OpenCvSharp x64</title>
         <authors>shimat</authors>
         <licenseUrl>http://www.gnu.org/licenses/lgpl-3.0.en.html</licenseUrl>
@@ -10,9 +10,7 @@
         <iconUrl>http://opencvsharp.googlecode.com/files/Lenna.ico</iconUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>OpenCV wrapper for .NET Framework</description>
-        <releaseNotes>Added C++ highgui, features2d and calib3d methods.
-
-BitmapConverter is moved to OpenCvSharp.Extensions.</releaseNotes>
+        <releaseNotes>Added C++ objdetect methods.</releaseNotes>
         <copyright>Copyright 2008-2014</copyright>
         <tags>Image Processing OpenCV Wrapper FFI</tags>
         <frameworkAssemblies>
diff --git a/nuget/OpenCvSharp-x86.nuspec b/nuget/OpenCvSharp-x86.nuspec
index 32c659473..e374d98bf 100644
--- a/nuget/OpenCvSharp-x86.nuspec
+++ b/nuget/OpenCvSharp-x86.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>OpenCvSharp-x86</id>
-        <version>2.4.8.20140331</version>
+        <version>2.4.8.20140405</version>
         <title>OpenCvSharp x86</title>
         <authors>shimat</authors>
         <licenseUrl>http://www.gnu.org/licenses/lgpl-3.0.en.html</licenseUrl>
@@ -10,9 +10,7 @@
         <iconUrl>http://opencvsharp.googlecode.com/files/Lenna.ico</iconUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>OpenCV wrapper for .NET Framework</description>
-        <releaseNotes>Added C++ highgui, features2d and calib3d methods.
-
-BitmapConverter is moved to OpenCvSharp.Extensions.</releaseNotes>
+        <releaseNotes>Added C++ objdetect methods.</releaseNotes>
         <copyright>Copyright 2008-2014</copyright>
         <tags>Image Processing OpenCV Wrapper FFI</tags>
         <frameworkAssemblies>
diff --git a/src/OpenCvSharpExtern/core.h b/src/OpenCvSharpExtern/core.h
index 41fd41ce0..f437b52b8 100644
--- a/src/OpenCvSharpExtern/core.h
+++ b/src/OpenCvSharpExtern/core.h
@@ -624,7 +624,7 @@ CVAPI(void) core_circle(cv::Mat *img, CvPoint center, int radius,
 
 CVAPI(void) core_ellipse1(cv::Mat *img, CvPoint center, CvSize axes,
 	double angle, double startAngle, double endAngle,
-	CvScalar& color, int thickness, int lineType, int shift)
+	CvScalar color, int thickness, int lineType, int shift)
 {
 	cv::ellipse(*img, center, axes, angle, startAngle, endAngle, color, thickness, lineType, shift);
 }