diff --git a/src/libs/vgeometry/vgeometry.pro b/src/libs/vgeometry/vgeometry.pro
index 661a3f88c..a9f3bb0ab 100644
--- a/src/libs/vgeometry/vgeometry.pro
+++ b/src/libs/vgeometry/vgeometry.pro
@@ -7,7 +7,7 @@
 # File with common stuff for whole project
 include(../../../common.pri)
 
-QT += widgets printsupport concurrent
+QT += core widgets printsupport concurrent
 
 # Name of library
 TARGET = vgeometry
diff --git a/src/libs/vpatterndb/vpatterndb.pro b/src/libs/vpatterndb/vpatterndb.pro
index c6ac14042..1df17d2a6 100644
--- a/src/libs/vpatterndb/vpatterndb.pro
+++ b/src/libs/vpatterndb/vpatterndb.pro
@@ -7,7 +7,7 @@
 # File with common stuff for whole project
 include(../../../common.pri)
 
-QT += widgets printsupport
+QT += core widgets printsupport
 
 # Name of the library
 TARGET = vpatterndb