diff --git a/spa/plugins/audioconvert/audioadapter.c b/spa/plugins/audioconvert/audioadapter.c
index 7783a943d..36b299aca 100644
--- a/spa/plugins/audioconvert/audioadapter.c
+++ b/spa/plugins/audioconvert/audioadapter.c
@@ -108,6 +108,30 @@ struct impl {
 
 /** \endcond */
 
+static void follower_enum_params(struct impl *this,
+				 uint32_t id,
+				 uint32_t idx,
+				 struct spa_result_node_params *result,
+				 const struct spa_pod *filter,
+				 struct spa_pod_builder *builder,
+				 int *res)
+{
+	if (result->next < 0x10000) {
+		if ((*res = spa_node_enum_params_sync(this->convert,
+				id, &result->next, filter, &result->param, builder)) == 1)
+			return;
+		result->next = 0x10000;
+	}
+	if (result->next >= 0x10000 && this->follower_params_flags[idx] & SPA_PARAM_INFO_READ) {
+		result->next &= 0xffff;
+		if ((*res = spa_node_enum_params_sync(this->follower,
+				id, &result->next, filter, &result->param, builder)) == 1) {
+			result->next |= 0x10000;
+			return;
+		}
+	}
+}
+
 static int impl_node_enum_params(void *object, int seq,
 				 uint32_t id, uint32_t start, uint32_t num,
 				 const struct spa_pod *filter)
@@ -137,25 +161,20 @@ next:
 		res = spa_node_enum_params(this->convert, seq, id, start, num, filter);
 		return res;
 	case SPA_PARAM_PropInfo:
-	case SPA_PARAM_Props:
-	case SPA_PARAM_ProcessLatency:
-	{
-		if (result.next < 0x10000) {
-			if ((res = spa_node_enum_params_sync(this->convert,
-					id, &result.next, filter, &result.param, &b)) == 1)
-				break;
-			result.next = 0x10000;
-		}
-		if (result.next >= 0x10000) {
-			result.next &= 0xffff;
-			if ((res = spa_node_enum_params_sync(this->follower,
-					id, &result.next, filter, &result.param, &b)) == 1) {
-				result.next |= 0x10000;
-				break;
-			}
-		}
+		follower_enum_params(this, id, IDX_PropInfo, &result, filter, &b, &res);
+		if (res == 1)
+			break;
+		return res;
+	case SPA_PARAM_Props:
+		follower_enum_params(this, id, IDX_Props, &result, filter, &b, &res);
+		if (res == 1)
+			break;
+		return res;
+	case SPA_PARAM_ProcessLatency:
+		follower_enum_params(this, id, IDX_ProcessLatency, &result, filter, &b, &res);
+		if (res == 1)
+			break;
 		return res;
-	}
 	case SPA_PARAM_EnumFormat:
 	case SPA_PARAM_Format:
 	case SPA_PARAM_Latency: