diff --git a/reactos/base/services/umpnpmgr/umpnpmgr.c b/reactos/base/services/umpnpmgr/umpnpmgr.c
index 91b309bcf8d..a8eb2440258 100644
--- a/reactos/base/services/umpnpmgr/umpnpmgr.c
+++ b/reactos/base/services/umpnpmgr/umpnpmgr.c
@@ -1252,7 +1252,7 @@ Done:
 /* Function 38 */
 CONFIGRET
 PNP_IsDockStationPresent(handle_t BindingHandle,
-                         unsigned long *Present)
+                         BOOL *Present)
 {
     HKEY hKey;
     DWORD dwType;
diff --git a/reactos/dll/win32/setupapi/cfgmgr.c b/reactos/dll/win32/setupapi/cfgmgr.c
index 231ad9acbfe..51dfbfaff7a 100644
--- a/reactos/dll/win32/setupapi/cfgmgr.c
+++ b/reactos/dll/win32/setupapi/cfgmgr.c
@@ -2569,7 +2569,7 @@ CONFIGRET WINAPI CM_Is_Dock_Station_Present_Ex(
     }
 
     return PNP_IsDockStationPresent(BindingHandle,
-                                    (unsigned long *)pbPresent);
+                                    pbPresent);
 }