diff --git a/reactos/dll/win32/powrprof/powrprof.def b/reactos/dll/win32/powrprof/powrprof.def
deleted file mode 100644
index 4576994f849..00000000000
--- a/reactos/dll/win32/powrprof/powrprof.def
+++ /dev/null
@@ -1,23 +0,0 @@
-LIBRARY powrprof.dll
-EXPORTS
-CallNtPowerInformation@20
-CanUserWritePwrScheme@0
-DeletePwrScheme@4
-EnumPwrSchemes@8
-GetActivePwrScheme@4
-GetCurrentPowerPolicies@8
-GetPwrCapabilities@4
-GetPwrDiskSpindownRange
-IsAdminOverrideActive
-IsPwrHibernateAllowed
-IsPwrShutdownAllowed
-IsPwrSuspendAllowed
-ReadGlobalPwrPolicy@4
-ReadProcessorPwrScheme
-ReadPwrScheme@8
-SetActivePwrScheme@12
-SetSuspendState
-WriteGlobalPwrPolicy@4
-WriteProcessorPwrScheme
-WritePwrScheme
-ValidatePowerPolicies@8
diff --git a/reactos/dll/win32/powrprof/powrprof.rbuild b/reactos/dll/win32/powrprof/powrprof.rbuild
index 58a7310af22..1cea520825c 100644
--- a/reactos/dll/win32/powrprof/powrprof.rbuild
+++ b/reactos/dll/win32/powrprof/powrprof.rbuild
@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="powrprof" type="win32dll" baseaddress="${BASEADDRESS_POWRPROF}" installbase="system32" installname="powrprof.dll" unicode="yes">
-	<importlibrary definition="powrprof.def" />
+	<importlibrary definition="powrprof.spec.def" />
 	<include base="powrprof">.</include>
 	<define name="WINVER">0x600</define>
 	<define name="_WIN32_WINNT">0x600</define>
@@ -13,4 +13,5 @@
 	<library>comctl32</library>
 	<file>powrprof.c</file>
 	<file>powrprof.rc</file>
+	<file>powrprof.spec</file>
 </module>
diff --git a/reactos/dll/win32/powrprof/powrprof.spec b/reactos/dll/win32/powrprof/powrprof.spec
new file mode 100644
index 00000000000..d9c916417a5
--- /dev/null
+++ b/reactos/dll/win32/powrprof/powrprof.spec
@@ -0,0 +1,21 @@
+@ stdcall CallNtPowerInformation (long ptr long ptr long)
+@ stdcall CanUserWritePwrScheme ()
+@ stdcall DeletePwrScheme (long)
+@ stdcall EnumPwrSchemes (ptr long)
+@ stdcall GetActivePwrScheme (ptr)
+@ stdcall GetCurrentPowerPolicies (ptr ptr)
+@ stdcall GetPwrCapabilities (ptr)
+@ stdcall GetPwrDiskSpindownRange (ptr ptr)
+@ stdcall IsAdminOverrideActive (ptr)
+@ stdcall IsPwrHibernateAllowed ()
+@ stdcall IsPwrShutdownAllowed ()
+@ stdcall IsPwrSuspendAllowed ()
+@ stdcall ReadGlobalPwrPolicy (ptr)
+@ stdcall ReadProcessorPwrScheme (long ptr)
+@ stdcall ReadPwrScheme (long ptr)
+@ stdcall SetActivePwrScheme (long ptr ptr)
+@ stdcall SetSuspendState (long long long)
+@ stdcall WriteGlobalPwrPolicy (ptr)
+@ stdcall WriteProcessorPwrScheme (long ptr)
+@ stdcall WritePwrScheme (ptr str str ptr)
+@ stdcall ValidatePowerPolicies (ptr ptr)
\ No newline at end of file