X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsession.cpp;h=0ac5bb7286dbe2cd6c76dbd07ca967ec2d289176;hp=ef1159ee599f8abfbf0a7e6b90d6c100eeef3f44;hb=a3f678a7cad210fe796f4a76370996a1284da6d4;hpb=69e33a1b71599bbe35176ef7a77b58793a7d6ca2

diff --git a/pv/session.cpp b/pv/session.cpp
index ef1159ee..0ac5bb72 100644
--- a/pv/session.cpp
+++ b/pv/session.cpp
@@ -579,6 +579,10 @@ void Session::feed_in_analog(shared_ptr<Analog> analog)
 	const float *data = static_cast<const float *>(analog->data_pointer());
 	bool sweep_beginning = false;
 
+	if (signals_.empty()) {
+		update_signals();
+	}
+
 	for (auto channel : channels)
 	{
 		shared_ptr<data::AnalogSegment> segment;