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-rw-r--r--gr-qtgui/lib/freqdisplayform.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/gr-qtgui/lib/freqdisplayform.cc b/gr-qtgui/lib/freqdisplayform.cc
index 2aafedd115..02e9e06301 100644
--- a/gr-qtgui/lib/freqdisplayform.cc
+++ b/gr-qtgui/lib/freqdisplayform.cc
@@ -423,7 +423,7 @@ void FreqDisplayForm::updateTrigger(gr::qtgui::trigger_mode mode)
}
// if tag mode, popup tag key box to set
- if ((d_trig_tag_key == "") && (d_trig_mode == gr::qtgui::TRIG_MODE_TAG))
+ if ((d_trig_tag_key.empty()) && (d_trig_mode == gr::qtgui::TRIG_MODE_TAG))
d_tr_tag_key_act->activate(QAction::Trigger);
emit signalReplot();