diff --git a/reactos/w32api/include/aclapi.h b/reactos/w32api/include/aclapi.h
index d4ef6a794c5..c5c3c5b2264 100644
--- a/reactos/w32api/include/aclapi.h
+++ b/reactos/w32api/include/aclapi.h
@@ -34,8 +34,8 @@ DWORD WINAPI GetEffectiveRightsFromAclW(PACL,PTRUSTEE_W,PACCESS_MASK);
 DWORD WINAPI GetExplicitEntriesFromAclA(PACL,PULONG,PEXPLICIT_ACCESS_A*);
 DWORD WINAPI GetExplicitEntriesFromAclW(PACL,PULONG,PEXPLICIT_ACCESS_W*);
 #if (_WIN32_WINNT >= 0x0501)
-DWORD WINAPI GetInheritanceSourceA(LPSTR,SE_OBJECT_TYPE,SECURITY_INFORMATION,BOOL,GUID**,DWORD,PACL,void*,PGENERIC_MAPPING,PINHERITED_FROMA);
-DWORD WINAPI GetInheritanceSourceW(LPWSTR,SE_OBJECT_TYPE,SECURITY_INFORMATION,BOOL,GUID**,DWORD,PACL,void*,PGENERIC_MAPPING,PINHERITED_FROMW);
+DWORD WINAPI GetInheritanceSourceA(LPSTR,SE_OBJECT_TYPE,SECURITY_INFORMATION,BOOL,GUID**,DWORD,PACL,PFN_OBJECT_MGR_FUNCTS,PGENERIC_MAPPING,PINHERITED_FROMA);
+DWORD WINAPI GetInheritanceSourceW(LPWSTR,SE_OBJECT_TYPE,SECURITY_INFORMATION,BOOL,GUID**,DWORD,PACL,PFN_OBJECT_MGR_FUNCTS,PGENERIC_MAPPING,PINHERITED_FROMW);
 #endif
 DWORD WINAPI GetNamedSecurityInfoA(LPSTR,SE_OBJECT_TYPE,SECURITY_INFORMATION,
   PSID*,PSID*,PACL*,PACL*,PSECURITY_DESCRIPTOR*);