diff --git a/src/audio/base_fw.c b/src/audio/base_fw.c
index 257076be35d2..fb29dabffc65 100644
--- a/src/audio/base_fw.c
+++ b/src/audio/base_fw.c
@@ -532,10 +532,16 @@ __cold static int basefw_pipeline_list_info_get(uint32_t *data_offset, char *dat
 	pipeline_data = ipc4_get_pipeline_data_wrapper();
 	ppl_data->pipelines_count = 0;
 
-	for (int ppl = 0; ppl < pipeline_data->pipelines_count; ppl++) {
+	if (pipeline_data->pipelines_count > IPC4_MAX_PPL_COUNT) {
+		tr_err(&ipc_tr, "pipelines_count %u exceeds maximum %u",
+		       pipeline_data->pipelines_count, IPC4_MAX_PPL_COUNT);
+		return IPC4_ERROR_INVALID_PARAM;
+	}
+
+	for (uint32_t ppl = 0; ppl < pipeline_data->pipelines_count; ppl++) {
 		ipc_pipe = ipc_get_pipeline_by_id(ipc, ppl);
 		if (!ipc_pipe)
-			tr_err(&ipc_tr, "No pipeline with instance_id = %d", ppl);
+			tr_err(&ipc_tr, "No pipeline with instance_id = %u", ppl);
 		else
 			ppl_data->ppl_id[ppl_data->pipelines_count++] =
 				ipc_pipe->pipeline->pipeline_id;