diff --git a/harbour/include/hbapi.h b/harbour/include/hbapi.h
index b7664887dd..964805ec0a 100644
--- a/harbour/include/hbapi.h
+++ b/harbour/include/hbapi.h
@@ -437,7 +437,7 @@ extern void     hb_dynsymRelease( void );         /* releases the memory of the
 extern void     hb_dynsymEval( PHB_DYNS_FUNC pFunction, void * Cargo ); /* enumerates all dynamic symbols */
 
 /* Command line and environment argument management */
-extern void     hb_cmdargInit( int argc, char * argv[] ); /* initialize command line argument API's */
+extern void HB_EXPORT hb_cmdargInit( int argc, char * argv[] ); /* initialize command line argument API's */
 extern int      hb_cmdargARGC( void ); /* retrieve command line argument count */
 extern char **  hb_cmdargARGV( void ); /* retrieve command line argument buffer pointer */
 extern BOOL     hb_cmdargIsInternal( const char * szArg ); /* determine if a string is an internal setting */
@@ -599,4 +599,4 @@ extern char * hb_getenv( const char * name );
 }
 #endif
 
-#endif /* HB_APIEXT_H_ */
+#endif /* HB_APIEXT_H_ */
\ No newline at end of file