diff --git a/reactos/include/powrprof.h b/reactos/include/powrprof.h
index 89df29feefb..7740a74112e 100644
--- a/reactos/include/powrprof.h
+++ b/reactos/include/powrprof.h
@@ -90,7 +90,7 @@ typedef struct _POWER_POLICY{
    USER_POWER_POLICY user;
    MACHINE_POWER_POLICY mach;
 } POWER_POLICY, *PPOWER_POLICY;
-typedef BOOLEAN (CALLBACK* PWRSCHEMESENUMPROC)(UINT, DWORD, LPTSTR, DWORD, LPTSTR, PPOWER_POLICY, LPARAM);
+typedef BOOLEAN (CALLBACK* PWRSCHEMESENUMPROC)(UINT, DWORD, LPWSTR, DWORD, LPWSTR, PPOWER_POLICY, LPARAM);
 typedef BOOLEAN (CALLBACK* PFNNTINITIATEPWRACTION)(POWER_ACTION, SYSTEM_POWER_STATE, ULONG, BOOLEAN);
 NTSTATUS WINAPI CallNtPowerInformation(POWER_INFORMATION_LEVEL, PVOID, ULONG, PVOID, ULONG);
 BOOLEAN WINAPI CanUserWritePwrScheme(VOID);
@@ -112,7 +112,7 @@ BOOLEAN WINAPI SetSuspendState(BOOLEAN, BOOLEAN, BOOLEAN);
 BOOLEAN WINAPI WriteGlobalPwrPolicy(PGLOBAL_POWER_POLICY);
 BOOLEAN WINAPI WriteProcessorPwrScheme(UINT, PMACHINE_PROCESSOR_POWER_POLICY);
 BOOLEAN WINAPI ValidatePowerPolicies(PGLOBAL_POWER_POLICY, PPOWER_POLICY);
-BOOLEAN WINAPI WritePwrScheme(PUINT, LPTSTR, LPTSTR, PPOWER_POLICY);
+BOOLEAN WINAPI WritePwrScheme(PUINT, LPWSTR, LPWSTR, PPOWER_POLICY);
 
 #endif /* RC_INVOKED */