macOS build fix.

diff --git a/src/tools/dcpomatic_kdm.cc b/src/tools/dcpomatic_kdm.cc
index c125428db0853ff13452fb2f23ec096843fae6f1..775349d54abfdb64b6564edebced2054d230d149 100644 (file)
--- a/src/tools/dcpomatic_kdm.cc
+++ b/src/tools/dcpomatic_kdm.cc
@@ -487,7 +487,8 @@ private:
 
        void dkdm_selection_changed()
        {
-               if (_selected_dkdm = selected_dkdm()) {
+               _selected_dkdm = selected_dkdm();
+               if (_selected_dkdm) {
                        auto dkdm = std::dynamic_pointer_cast<DKDM>(_selected_dkdm);
                        if (dkdm) {
                                try {