diff --git a/lang/qt/src/abstractimportjob.h b/lang/qt/src/abstractimportjob.h
index 33f6a2ac..572f203b 100644
--- a/lang/qt/src/abstractimportjob.h
+++ b/lang/qt/src/abstractimportjob.h
@@ -36,6 +36,8 @@
 
 #include "job.h"
 
+#include "qgpgme_export.h"
+
 namespace GpgME
 {
 class Error;
@@ -45,7 +47,7 @@ class ImportResult;
 namespace QGpgME
 {
 
-class AbstractImportJob : public Job
+class QGPGME_EXPORT AbstractImportJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/cryptoconfig.h b/lang/qt/src/cryptoconfig.h
index 858dbb72..c3f0c7e3 100644
--- a/lang/qt/src/cryptoconfig.h
+++ b/lang/qt/src/cryptoconfig.h
@@ -34,6 +34,7 @@
 #ifndef CRYPTOCONFIG_H
 #define CRYPTOCONFIG_H
 
+#include "qgpgme_export.h"
 #ifdef __cplusplus
 /* we read this file from a C compiler, and are only interested in the
  * enums... */
@@ -50,7 +51,7 @@ namespace QGpgME
 /**
  * Description of a single option
  */
-class CryptoConfigEntry
+class QGPGME_EXPORT CryptoConfigEntry
 {
 
 public:
@@ -252,7 +253,7 @@ public:
 /**
  * Group containing a set of config options
  */
-class CryptoConfigGroup
+class QGPGME_EXPORT CryptoConfigGroup
 {
 
 public:
@@ -301,7 +302,7 @@ public:
 /**
  * Crypto config for one component (e.g. gpg-agent, dirmngr etc.)
  */
-class CryptoConfigComponent
+class QGPGME_EXPORT CryptoConfigComponent
 {
 
 public:
@@ -341,7 +342,7 @@ public:
 /**
  * Main interface to crypto configuration.
  */
-class CryptoConfig
+class QGPGME_EXPORT CryptoConfig
 {
 
 public:
diff --git a/lang/qt/src/deletejob.h b/lang/qt/src/deletejob.h
index 1f4e8cfd..f8479b17 100644
--- a/lang/qt/src/deletejob.h
+++ b/lang/qt/src/deletejob.h
@@ -34,6 +34,7 @@
 #ifndef __KLEO_DELETEJOB_H__
 #define __KLEO_DELETEJOB_H__
 
+#include "qgpgme_export.h"
 #include "job.h"
 
 namespace GpgME
@@ -58,7 +59,7 @@ namespace QGpgME
    After result() is emitted, the DeleteJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class DeleteJob : public Job
+class QGPGME_EXPORT DeleteJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/exportjob.h b/lang/qt/src/exportjob.h
index df21f032..583d4c03 100644
--- a/lang/qt/src/exportjob.h
+++ b/lang/qt/src/exportjob.h
@@ -34,6 +34,7 @@
 #ifndef __QGPGME_EXPORTJOB_H__
 #define __QGPGME_EXPORTJOB_H__
 
+#include "qgpgme_export.h"
 #include "job.h"
 
 #include <QtCore/QByteArray>
@@ -61,7 +62,7 @@ namespace QGpgME
    After result() is emitted, the ExportJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class ExportJob : public Job
+class QGPGME_EXPORT ExportJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/importfromkeyserverjob.h b/lang/qt/src/importfromkeyserverjob.h
index 7ab13cb2..f548ea74 100644
--- a/lang/qt/src/importfromkeyserverjob.h
+++ b/lang/qt/src/importfromkeyserverjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_IMPORTFROMKEYSERVERJOB_H__
 
 #include "abstractimportjob.h"
+#include "qgpgme_export.h"
 
 namespace GpgME
 {
@@ -61,7 +62,7 @@ namespace QGpgME
    After result() is emitted, the ImportJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class ImportFromKeyserverJob : public AbstractImportJob
+class QGPGME_EXPORT ImportFromKeyserverJob : public AbstractImportJob
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/importjob.h b/lang/qt/src/importjob.h
index d9f60d1a..5c7b24d3 100644
--- a/lang/qt/src/importjob.h
+++ b/lang/qt/src/importjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_IMPORTJOB_H__
 
 #include "abstractimportjob.h"
+#include "qgpgme_export.h"
 
 #include <QtCore/QByteArray>
 
@@ -60,7 +61,7 @@ namespace QGpgME
    After result() is emitted, the ImportJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class ImportJob : public AbstractImportJob
+class QGPGME_EXPORT ImportJob : public AbstractImportJob
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/keygenerationjob.h b/lang/qt/src/keygenerationjob.h
index 90f29bfb..a0beeac2 100644
--- a/lang/qt/src/keygenerationjob.h
+++ b/lang/qt/src/keygenerationjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_KEYGENERATIONJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #include <QtCore/QByteArray>
 
@@ -60,7 +61,7 @@ namespace QGpgME
    After result() is emitted, the KeyGenerationJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class KeyGenerationJob : public Job
+class QGPGME_EXPORT KeyGenerationJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/keylistjob.h b/lang/qt/src/keylistjob.h
index 6e62c4fb..fc7a048c 100644
--- a/lang/qt/src/keylistjob.h
+++ b/lang/qt/src/keylistjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_KEYLISTJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #ifdef BUILDING_QGPGME
 # include "key.h"
@@ -70,7 +71,7 @@ namespace QGpgME
    KeyListJob will schedule it's own destruction by calling
    QObject::deleteLater().
 */
-class KeyListJob : public Job
+class QGPGME_EXPORT KeyListJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/listallkeysjob.h b/lang/qt/src/listallkeysjob.h
index 9d4711d2..4fbb4698 100644
--- a/lang/qt/src/listallkeysjob.h
+++ b/lang/qt/src/listallkeysjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_LISTALLKEYSJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #ifdef BUILDING_QGPGME
 # include "key.h"
@@ -69,7 +70,7 @@ namespace QGpgME
    This is potentially much faster than a KeyListJob with empty
    pattern.
 */
-class ListAllKeysJob : public Job
+class QGPGME_EXPORT ListAllKeysJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/refreshkeysjob.h b/lang/qt/src/refreshkeysjob.h
index d0bc51f4..a97de803 100644
--- a/lang/qt/src/refreshkeysjob.h
+++ b/lang/qt/src/refreshkeysjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_REFRESHKEYSJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #include <vector>
 
@@ -62,7 +63,7 @@ namespace QGpgME
    After result() is emitted, the KeyListJob will schedule it's own
    destruction by calling QObject::deleteLater().
 */
-class RefreshKeysJob : public Job
+class QGPGME_EXPORT RefreshKeysJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/signencryptjob.h b/lang/qt/src/signencryptjob.h
index b0aafe3c..4e07744b 100644
--- a/lang/qt/src/signencryptjob.h
+++ b/lang/qt/src/signencryptjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_SIGNENCRYPTJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #ifdef BUILDING_QGPGME
 # include "global.h"
@@ -75,7 +76,7 @@ namespace QGpgME
    After result() is emitted, the SignEncryptJob will schedule it's
    own destruction by calling QObject::deleteLater().
 */
-class SignEncryptJob : public Job
+class QGPGME_EXPORT SignEncryptJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/specialjob.h b/lang/qt/src/specialjob.h
index 788371e7..2c80f20a 100644
--- a/lang/qt/src/specialjob.h
+++ b/lang/qt/src/specialjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_SPECIALJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 namespace GpgME
 {
@@ -65,7 +66,7 @@ namespace QGpgME
    through the read-only result property, the latter of which needs
    to be defined in each SpecialJob subclass.
 */
-class SpecialJob : public Job
+class QGPGME_EXPORT SpecialJob : public Job
 {
     Q_OBJECT
 protected:
diff --git a/lang/qt/src/verifydetachedjob.h b/lang/qt/src/verifydetachedjob.h
index 0cb92e63..b339a8c8 100644
--- a/lang/qt/src/verifydetachedjob.h
+++ b/lang/qt/src/verifydetachedjob.h
@@ -35,6 +35,7 @@
 #define __KLEO_VERIFYDETACHEDJOB_H__
 
 #include "job.h"
+#include "qgpgme_export.h"
 
 #include <memory>