diff --git a/src/klayout_main/klayout_main/klayout_main.pro b/src/klayout_main/klayout_main/klayout_main.pro
index 04e2030dc..64abec3bd 100644
--- a/src/klayout_main/klayout_main/klayout_main.pro
+++ b/src/klayout_main/klayout_main/klayout_main.pro
@@ -26,4 +26,7 @@ DEPENDPATH += $$QTBASIC_INC
 
 equals(HAVE_QTBINDINGS, "1") {
   LIBS += -lklayout_qtbasic -lklayout_QtGui -lklayout_QtXml -lklayout_QtNetwork -lklayout_QtSql -lklayout_QtDesigner
+  equals(HAVE_QT5, "1") {
+    LIBS += -lklayout_QtMultimedia -lklayout_QtPrintSupport -lklayout_QtSvg -lklayout_QtWidgets -lklayout_QtXmlPatterns
+  }
 }
diff --git a/src/pymod/db/dbMain.cc b/src/pymod/db/dbMain.cc
index 28e9c7ae8..e0afef97f 100644
--- a/src/pymod/db/dbMain.cc
+++ b/src/pymod/db/dbMain.cc
@@ -47,7 +47,7 @@ initdb ()
 #else
 PyMODINIT_FUNC
 DEF_INSIDE_PUBLIC
-PyMODINIT_FUNC PyInit_themodulename ()
+PyInit_db ()
 {
   return module_init();
 }
diff --git a/src/unit_tests/unit_tests.pro b/src/unit_tests/unit_tests.pro
index 64ebcd6c1..72720f324 100644
--- a/src/unit_tests/unit_tests.pro
+++ b/src/unit_tests/unit_tests.pro
@@ -29,4 +29,7 @@ DEPENDPATH += $$QTBASIC_INC
 
 equals(HAVE_QTBINDINGS, "1") {
   LIBS += -lklayout_qtbasic -lklayout_QtGui -lklayout_QtXml
+  equals(HAVE_QT5, "1") {
+    LIBS += -lklayout_QtWidgets
+  }
 }