diff --git a/neo/idlib/DataQueue.h b/neo/idlib/DataQueue.h
index c3eb8ef1..af4494f9 100644
--- a/neo/idlib/DataQueue.h
+++ b/neo/idlib/DataQueue.h
@@ -109,7 +109,9 @@ bool idDataQueue< maxItems, maxBuffer >::Append( int sequence, const byte* b1, i
 	item.dataOffset = dataLength;
 	memcpy( data + dataLength, b1, b1Len );
 	dataLength += b1Len;
-	memcpy( data + dataLength, b2, b2Len );
+	if (b2 != __null) {
+		memcpy( data + dataLength, b2, b2Len );
+	}
 	dataLength += b2Len;
 	return true;
 }
diff --git a/neo/sys/sdl/sdl_glimp.cpp b/neo/sys/sdl/sdl_glimp.cpp
index 68aab35b..1334dc1d 100644
--- a/neo/sys/sdl/sdl_glimp.cpp
+++ b/neo/sys/sdl/sdl_glimp.cpp
@@ -248,6 +248,11 @@ bool GLimp_Init( glimpParms_t parms )
 		{
 			int major = 3;
 			int minor = 3;
+			if (r_useOpenGL32.GetInteger() == 1) {
+				SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY );
+			} else {
+				SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE );
+			}
 			GLimp_GetSupportedVersion(&major, &minor);
 			if (major < 3 || major == 3 && minor < 3) {
 				common->FatalError("GLimp_Init: OpenGL version is not supported!\n");
@@ -256,7 +261,7 @@ bool GLimp_Init( glimpParms_t parms )
 			
 			SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, major );
 			SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, minor );
-			SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY );
+			
 			
 			if( r_debugContext.GetBool() )
 			{
@@ -267,8 +272,6 @@ bool GLimp_Init( glimpParms_t parms )
 		if( r_useOpenGL32.GetInteger() > 1 )
 		{
 			glConfig.driverType = GLDRV_OPENGL32_CORE_PROFILE;
-			
-			SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE );
 		}
 		// RB end