diff --git a/src/Limelight-internal.h b/src/Limelight-internal.h
index 8647dbd..4b5789d 100644
--- a/src/Limelight-internal.h
+++ b/src/Limelight-internal.h
@@ -74,6 +74,9 @@ extern uint32_t SunshineFeatureFlags;
 
 #define IS_SUNSHINE() (AppVersionQuad[3] < 0)
 
+// Client feature flags for x-ml-general.featureFlags SDP attribute
+#define ML_FF_FEC_STATUS 0x01 // Client sends SS_FRAME_FEC_STATUS for frame losses
+
 #define UDP_RECV_POLL_TIMEOUT_MS 100
 
 // At this value or above, we will request high quality audio unless CAPABILITY_SLOW_OPUS_DECODER
diff --git a/src/SdpGenerator.c b/src/SdpGenerator.c
index f5a8daa..9f4bf98 100644
--- a/src/SdpGenerator.c
+++ b/src/SdpGenerator.c
@@ -233,6 +233,13 @@ static PSDP_OPTION getAttributesList(char*urlSafeAddr) {
     optionHead = NULL;
     err = 0;
 
+    // Send client feature flags to Sunshine hosts
+    if (IS_SUNSHINE()) {
+        uint32_t moonlightFeatureFlags = ML_FF_FEC_STATUS;
+        sprintf(payloadStr, "%u", moonlightFeatureFlags);
+        err |= addAttributeString(&optionHead, "x-ml-general.featureFlags", payloadStr);
+    }
+
     sprintf(payloadStr, "%d", StreamConfig.width);
     err |= addAttributeString(&optionHead, "x-nv-video[0].clientViewportWd", payloadStr);
     sprintf(payloadStr, "%d", StreamConfig.height);