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-rw-r--r--src/ui/dialog/symbols.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/ui/dialog/symbols.cpp b/src/ui/dialog/symbols.cpp
index 5eb7084d6..b71686a17 100644
--- a/src/ui/dialog/symbols.cpp
+++ b/src/ui/dialog/symbols.cpp
@@ -26,6 +26,7 @@
#include <gtkmm/label.h>
#if WITH_GTKMM_3_0
+# include <gtkmm/togglebutton.h>
# include <gtkmm/grid.h>
#else
# include <gtkmm/table.h>