diff --git a/spa/plugins/audiotestsrc/audiotestsrc.c b/spa/plugins/audiotestsrc/audiotestsrc.c
index 66a71e005..c3faaaaa5 100644
--- a/spa/plugins/audiotestsrc/audiotestsrc.c
+++ b/spa/plugins/audiotestsrc/audiotestsrc.c
@@ -926,8 +926,8 @@ static int process_control(struct impl *this, struct spa_pod_sequence *sequence)
 		{
 			struct props *p = &this->props;
 			spa_pod_object_parse(&c->value,
-				":", SPA_PROP_frequency, "?d", &p->freq,
-				":", SPA_PROP_volume,    "?d", &p->volume,
+				":", SPA_PROP_frequency, "?f", &p->freq,
+				":", SPA_PROP_volume,    "?f", &p->volume,
 				NULL);
 			break;
 		}
diff --git a/spa/tests/test-control.c b/spa/tests/test-control.c
index 0be0e2a46..8c6107273 100644
--- a/spa/tests/test-control.c
+++ b/spa/tests/test-control.c
@@ -209,10 +209,10 @@ static void update_props(struct data *data)
 	spa_pod_builder_control_header(&b, 0, SPA_CONTROL_Properties);
 	spa_pod_builder_push_object(&b, SPA_TYPE_OBJECT_Props, 0);
 	spa_pod_builder_push_prop(&b, SPA_PROP_frequency, 0);
-	spa_pod_builder_double(&b, ((sin(data->freq_accum) + 1.0) * 200.0) + 440.0);
+	spa_pod_builder_float(&b, ((sin(data->freq_accum) + 1.0) * 200.0) + 440.0);
 	spa_pod_builder_pop(&b);
 	spa_pod_builder_push_prop(&b, SPA_PROP_volume, 0);
-	spa_pod_builder_double(&b, (sin(data->volume_accum) / 2.0) + 0.5);
+	spa_pod_builder_float(&b, (sin(data->volume_accum) / 2.0) + 0.5);
 	spa_pod_builder_pop(&b);
 	spa_pod_builder_pop(&b);
 	pod = spa_pod_builder_pop(&b);