diff --git a/providers/postgres/postgres.pro b/providers/postgres/postgres.pro
new file mode 100755
index 00000000000..f7305468972
--- /dev/null
+++ b/providers/postgres/postgres.pro
@@ -0,0 +1,23 @@
+######################################################################
+Qmake project file for building the postgres provider.
+This file is needed for building on Windows
+######################################################################
+# postgres.pro,v 1.1 2004/06/17 04:27:07 gsherman Exp 
+
+TEMPLATE = lib
+INCLUDEPATH += . \
+                C:\Development\qgis_win32\src \
+                C:\Development\postgresql-7.4.3\src\interfaces\libpq \
+                C:\Development\postgresql-7.4.3\src\include
+LIBS += C:\Development\postgresql-7.4.3\src\interfaces\libpq\Release\libpq.lib
+
+CONFIG += qt dll thread
+DLLDESTDIR= ..\..\src\lib\qgis
+# Input
+HEADERS += qgspostgresprovider.h
+SOURCES += qgspostgresprovider.cpp \
+           ..\..\src\qgsfeature.cpp \
+           ..\..\src\qgsfield.cpp \
+           ..\..\src\qgsrect.cpp \
+           ..\..\src\qgsfeatureattribute.cpp \
+           ..\..\src\qgspoint.cpp
diff --git a/providers/postgres/qgspostgresprovider.cpp b/providers/postgres/qgspostgresprovider.cpp
index 1e666582eb3..c352c050803 100644
--- a/providers/postgres/qgspostgresprovider.cpp
+++ b/providers/postgres/qgspostgresprovider.cpp
@@ -28,6 +28,11 @@
 #include "../../src/qgsrect.h"
 
 #include "qgspostgresprovider.h"
+#ifdef WIN32
+#define QGISEXTERN extern "C" __declspec( dllexport )
+#else
+#define QGISEXTERN extern "C"
+#endif
 QgsPostgresProvider::QgsPostgresProvider(QString uri):dataSourceUri(uri)
 {
     // assume this is a valid layer until we determine otherwise
@@ -723,25 +728,25 @@ QString QgsPostgresProvider::postgisVersion(PGconn *connection){
 * Class factory to return a pointer to a newly created 
 * QgsPostgresProvider object
 */
-extern "C" QgsPostgresProvider * classFactory(const char *uri)
+QGISEXTERN QgsPostgresProvider * classFactory(const char *uri)
 {
     return new QgsPostgresProvider(uri);
 }
 /** Required key function (used to map the plugin to a data store type)
 */
-extern "C" QString providerKey(){
+QGISEXTERN QString providerKey(){
   return QString("postgres");
 }
 /**
 * Required description function 
 */
-extern "C" QString description(){
+QGISEXTERN QString description(){
   return QString("PostgreSQL/PostGIS data provider");
 } 
 /**
 * Required isProvider function. Used to determine if this shared library
 * is a data provider plugin
 */
-extern "C" bool isProvider(){
+QGISEXTERN bool isProvider(){
   return true;
 }