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--- a/src/qtgui/recoll.pro.in
+++ b/src/qtgui/recoll.pro.in
@@ -19,6 +19,7 @@
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets printsupport
 
 @QMAKE_ENABLE_WEBKIT@ greaterThan(QT_MAJOR_VERSION, 4): QT += webkitwidgets
+@QMAKE_ENABLE_WEBENGINE@ greaterThan(QT_MAJOR_VERSION, 4): QT += webenginewidgets
 
 CONFIG  += qt warn_on thread release