diff --git a/libunrar/dll.cpp b/libunrar/dll.cpp
index 31818e4..65c4604 100644
--- a/libunrar/dll.cpp
+++ b/libunrar/dll.cpp
@@ -463,7 +463,7 @@ void PASCAL RARSetPassword(HANDLE hArcData,char *Password)
 }
 
 
-int PASCAL RARGetDllVersion()
+int PASCAL RARGetDllVersion(void)
 {
   return RAR_DLL_VERSION;
 }
diff --git a/libunrar/dll.hpp b/libunrar/dll.hpp
index c785ff1..ee4ca68 100644
--- a/libunrar/dll.hpp
+++ b/libunrar/dll.hpp
@@ -178,7 +178,7 @@ void   PASCAL RARSetCallback(HANDLE hArcData,UNRARCALLBACK Callback,LPARAM UserD
 void   PASCAL RARSetChangeVolProc(HANDLE hArcData,CHANGEVOLPROC ChangeVolProc);
 void   PASCAL RARSetProcessDataProc(HANDLE hArcData,PROCESSDATAPROC ProcessDataProc);
 void   PASCAL RARSetPassword(HANDLE hArcData,char *Password);
-int    PASCAL RARGetDllVersion();
+int    PASCAL RARGetDllVersion(void);
 
 #ifdef __cplusplus
 }