diff --git a/spa/plugins/audioconvert/merger.c b/spa/plugins/audioconvert/merger.c
index 286978983..7515fcf37 100644
--- a/spa/plugins/audioconvert/merger.c
+++ b/spa/plugins/audioconvert/merger.c
@@ -542,6 +542,8 @@ static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
 		if (spa_format_audio_raw_parse(format, &info.info.raw) < 0)
 			return -EINVAL;
 
+		info.info.raw.rate = 0;
+
 		if (this->have_profile && memcmp(&this->format, &info, sizeof(info)) == 0)
 			return 0;
 
diff --git a/spa/plugins/audioconvert/splitter.c b/spa/plugins/audioconvert/splitter.c
index cf5e60edf..82b4088a5 100644
--- a/spa/plugins/audioconvert/splitter.c
+++ b/spa/plugins/audioconvert/splitter.c
@@ -325,6 +325,8 @@ static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
 		if (spa_format_audio_raw_parse(format, &info.info.raw) < 0)
 			return -EINVAL;
 
+		info.info.raw.rate = 0;
+
 		if (this->have_profile && memcmp(&this->format, &info, sizeof(info)) == 0)
 			return 0;