diff --git a/include/wxex/appbar.h b/include/wxex/appbar.h
index 4a9d479..118397d 100644
--- a/include/wxex/appbar.h
+++ b/include/wxex/appbar.h
@@ -279,7 +279,7 @@ protected:
 ///
 /// Dockable application bar frame
 ///
-class ZRCOLA_API wxAppBarFrame : public wxAppBar<wxFrame>
+class WXEXTEND_API wxAppBarFrame : public wxAppBar<wxFrame>
 {
 public:
     wxAppBarFrame();
@@ -308,7 +308,7 @@ public:
 ///
 /// Dockable application bar dialog
 ///
-class ZRCOLA_API wxAppBarDialog : public wxAppBar<wxDialog>
+class WXEXTEND_API wxAppBarDialog : public wxAppBar<wxDialog>
 {
 public:
     wxAppBarDialog();
diff --git a/include/wxex/common.h b/include/wxex/common.h
index 1ce0636..3030c02 100644
--- a/include/wxex/common.h
+++ b/include/wxex/common.h
@@ -45,9 +45,9 @@
 /// Public function calling convention
 ///
 #ifdef WXEXTEND
-#define ZRCOLA_API  __declspec(dllexport)
+#define WXEXTEND_API    __declspec(dllexport)
 #else
-#define ZRCOLA_API  __declspec(dllimport)
+#define WXEXTEND_API    __declspec(dllimport)
 #endif
 
 
diff --git a/include/wxex/comutils.h b/include/wxex/comutils.h
index c2ecb21..c510252 100644
--- a/include/wxex/comutils.h
+++ b/include/wxex/comutils.h
@@ -25,7 +25,7 @@
 ///
 /// Create an object of this class on stack to initialize/cleanup the COM automatically.
 ///
-class ZRCOLA_API wxCoInitializer
+class WXEXTEND_API wxCoInitializer
 {
 public:
     ///