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-rw-r--r--libs/midi++2/midnam_patch.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/libs/midi++2/midnam_patch.cc b/libs/midi++2/midnam_patch.cc
index bf22792f70..bd8bbfc42d 100644
--- a/libs/midi++2/midnam_patch.cc
+++ b/libs/midi++2/midnam_patch.cc
@@ -542,7 +542,9 @@ MasterDeviceNames::channel_name_set_by_device_mode_and_channel(const std::string
boost::shared_ptr<Patch>
MasterDeviceNames::find_patch(const std::string& mode, uint8_t channel, const PatchPrimaryKey& key)
{
- return channel_name_set_by_device_mode_and_channel(mode, channel)->find_patch(key);
+ boost::shared_ptr<ChannelNameSet> cns = channel_name_set_by_device_mode_and_channel(mode, channel);
+ if (!cns) return boost::shared_ptr<Patch>();
+ return cns->find_patch(key);
}
boost::shared_ptr<ChannelNameSet>