diff --git a/src/printsupport/kernel/qplatformprintdevice.cpp b/src/printsupport/kernel/qplatformprintdevice.cpp
index 6385f58aa1..802a12603a 100644
--- a/src/printsupport/kernel/qplatformprintdevice.cpp
+++ b/src/printsupport/kernel/qplatformprintdevice.cpp
@@ -53,6 +53,9 @@ QPlatformPrintDevice::QPlatformPrintDevice()
       m_haveOutputBins(false),
       m_haveDuplexModes(false),
       m_haveColorModes(false)
+#ifndef QT_NO_MIMETYPES
+    , m_haveMimeTypes(false)
+#endif
 {
 }
 
@@ -68,6 +71,9 @@ QPlatformPrintDevice::QPlatformPrintDevice(const QString &id)
       m_haveOutputBins(false),
       m_haveDuplexModes(false),
       m_haveColorModes(false)
+#ifndef QT_NO_MIMETYPES
+    , m_haveMimeTypes(false)
+#endif
 {
 }