diff --git a/packages/ssestream/ssestream.go b/packages/ssestream/ssestream.go
index 3534aed8..a28ddcf6 100644
--- a/packages/ssestream/ssestream.go
+++ b/packages/ssestream/ssestream.go
@@ -166,6 +166,10 @@ func (s *Stream[T]) Next() bool {
 		var nxt T
 
 		if s.decoder.Event().Type == "" || !strings.HasPrefix(s.decoder.Event().Type, "thread.") {
+			// An empty line in the for ": something" is a comment and should be ignored.
+			if s.decoder.Event().Data == nil {
+				continue
+			}
 			ep := gjson.GetBytes(s.decoder.Event().Data, "error")
 			if ep.Exists() {
 				s.err = fmt.Errorf("received error while streaming: %s", ep.String())
diff --git a/streamaccumulator_test.go b/streamaccumulator_test.go
index 87d060d2..4b34c4ac 100644
--- a/streamaccumulator_test.go
+++ b/streamaccumulator_test.go
@@ -147,12 +147,16 @@ var mockResponseBody = `data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","ob
 
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":"Let's"},"logprobs":{"content":[{"token":"Let's","logprob":-2.3433902,"bytes":[76,101,116,39,115],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}
 
+: ping - 1996-04-20 00:00:00+00:00
+
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":" take"},"logprobs":{"content":[{"token":" take","logprob":-2.0225642,"bytes":[32,116,97,107,101],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}
 
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":" a"},"logprobs":{"content":[{"token":" a","logprob":-0.009433285,"bytes":[32,97],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}
 
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":" journey"},"logprobs":{"content":[{"token":" journey","logprob":-0.10697952,"bytes":[32,106,111,117,114,110,101,121],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}
 
+: comment - hello world
+
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":" to"},"logprobs":{"content":[{"token":" to","logprob":-0.0023115498,"bytes":[32,116,111],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}
 
 data: {"id":"chatcmpl-A3Tguz3LSXTHBTY2NAPBCSyfBltxF","object":"chat.completion.chunk","created":1725392480,"model":"gpt-4o-2024-05-13","system_fingerprint":"fp_157b3831f5","choices":[{"index":0,"delta":{"content":" the"},"logprobs":{"content":[{"token":" the","logprob":-0.5783461,"bytes":[32,116,104,101],"top_logprobs":[]}],"refusal":null},"finish_reason":null}],"usage":null}