--- a/src/qtgui/recoll.pro.in
+++ b/src/qtgui/recoll.pro.in
@@ -33,6 +33,7 @@
         snippets_w.h \
         spell_w.h \
         ssearch_w.h \
+        systray.h \
         uiprefs_w.h \
         viewaction_w.h \
 
@@ -59,6 +60,7 @@
         snippets_w.cpp \
         spell_w.cpp \
         ssearch_w.cpp \
+        systray.cpp \
         uiprefs_w.cpp \
         viewaction_w.cpp \