diff --git a/spa/plugins/audioconvert/audioconvert.c b/spa/plugins/audioconvert/audioconvert.c
index 55a323e80..a6517b003 100644
--- a/spa/plugins/audioconvert/audioconvert.c
+++ b/spa/plugins/audioconvert/audioconvert.c
@@ -2288,7 +2288,7 @@ static int impl_node_process(void *object)
 		 * always output the resulting data */
 		n_samples = SPA_MIN(n_samples, quant_samples);
 		max_out = this->quantum_limit;
-		flush_out = true;
+		flush_out = flush_in = true;
 	}
 
 	dir = &this->dir[SPA_DIRECTION_OUTPUT];