diff --git a/plugins/linux-pipewire/pipewire.c b/plugins/linux-pipewire/pipewire.c
index 0bf2d2ecec3c1f..5ae07bfc6357e1 100644
--- a/plugins/linux-pipewire/pipewire.c
+++ b/plugins/linux-pipewire/pipewire.c
@@ -393,6 +393,13 @@ static bool build_format_params(obs_pipewire_stream *obs_pw_stream,
 	uint32_t params_count = 0;
 
 	const struct spa_pod **params;
+
+	if (!obs_pw_stream->format_info.num) {
+		blog(LOG_ERROR,
+		     "[pipewire] No format found while building param pointers");
+		return false;
+	}
+
 	params = bzalloc(2 * obs_pw_stream->format_info.num *
 			 sizeof(struct spa_pod *));