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Diffstat (limited to 'gr-qtgui/lib/time_raster_sink_c_impl.cc')
-rw-r--r--gr-qtgui/lib/time_raster_sink_c_impl.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/gr-qtgui/lib/time_raster_sink_c_impl.cc b/gr-qtgui/lib/time_raster_sink_c_impl.cc
index a0b1259157..17098f0d93 100644
--- a/gr-qtgui/lib/time_raster_sink_c_impl.cc
+++ b/gr-qtgui/lib/time_raster_sink_c_impl.cc
@@ -66,6 +66,9 @@ namespace gr {
time_raster_sink_c_impl::~time_raster_sink_c_impl()
{
+ if(!d_main_gui->isClosed())
+ d_main_gui->close();
+
for(int i = 0; i < d_nconnections; i++) {
fft::free(d_residbufs[i]);
}