diff --git a/limelight-common/Limelight.h b/limelight-common/Limelight.h
index 350afac..ac6774b 100644
--- a/limelight-common/Limelight.h
+++ b/limelight-common/Limelight.h
@@ -69,9 +69,10 @@ typedef struct _DECODE_UNIT {
 // supports reference frame invalidation. This flag is only valid on video renderers.
 #define CAPABILITY_REFERENCE_FRAME_INVALIDATION 0x2
 
-// If set in the video renderer capabilities field, this flag specifies that the renderer
-// supports slicing to increase decoding performance. This flag is only valid on video renderers.
-#define CAPABILITY_SLICING 0x4
+// If set in the video renderer capabilities field, this macro specifies that the renderer
+// supports H264 slicing to increase decoding performance. The parameter specifies the desired
+// number of slices per frame. This capability is only valid on video renderers.
+#define CAPABILITY_SLICES_PER_FRAME(x) (((unsigned char)(x)) << 24)
 
 // This callback is invoked to provide details about the video stream and allow configuration of the decoder
 typedef void(*DecoderRendererSetup)(int width, int height, int redrawRate, void* context, int drFlags);
diff --git a/limelight-common/SdpGenerator.c b/limelight-common/SdpGenerator.c
index ee431cc..7826e20 100644
--- a/limelight-common/SdpGenerator.c
+++ b/limelight-common/SdpGenerator.c
@@ -133,16 +133,17 @@ static int addGen3Options(PSDP_OPTION *head, char* addrStr) {
 static int addGen4Options(PSDP_OPTION *head, char* addrStr) {
     char payloadStr[92];
     int err = 0;
+    unsigned char slicesPerFrame;
     
     sprintf(payloadStr, "rtsp://%s:48010", addrStr);
     err |= addAttributeString(head, "x-nv-general.serverAddress", payloadStr);
     
     err |= addAttributeString(head, "x-nv-video[0].rateControlMode", "4");
     
-	if (VideoCallbacks.capabilities & CAPABILITY_SLICING) {
-		// Use slicing for increased performance on some decoders
-		err |= addAttributeString(head, "x-nv-video[0].videoEncoderSlicesPerFrame", "4");
-	}
+    // Use slicing for increased performance on some decoders
+    slicesPerFrame = (unsigned char) (VideoCallbacks.capabilities >> 24);
+    sprintf(payloadStr, "%d", slicesPerFrame);
+    err |= addAttributeString(head, "x-nv-video[0].videoEncoderSlicesPerFrame", payloadStr);
     
     return err;
 }