diff --git a/reactos/dll/win32/samsrv/samsrv.rbuild b/reactos/dll/win32/samsrv/samsrv.rbuild
index a2ebe7f0476..44f8c06f6d9 100644
--- a/reactos/dll/win32/samsrv/samsrv.rbuild
+++ b/reactos/dll/win32/samsrv/samsrv.rbuild
@@ -1,10 +1,11 @@
 <?xml version="1.0"?>
 <!DOCTYPE module SYSTEM "../../../tools/rbuild/project.dtd">
 <module name="samsrv" type="win32dll" baseaddress="${BASEADDRESS_SAMSRV}" entrypoint="0" installbase="system32" installname="samsrv.dll" unicode="yes">
-	<importlibrary definition="samsrv.def" />
+	<importlibrary definition="samsrv.spec.def" />
 	<include base="samsrv">.</include>
 	<library>ntdll</library>
 	<library>kernel32</library>
 	<file>samsrv.c</file>
 	<file>samsrv.rc</file>
+	<file>samsrv.spec</file>
 </module>
diff --git a/reactos/dll/win32/samsrv/samsrv.def b/reactos/dll/win32/samsrv/samsrv.spec
similarity index 96%
rename from reactos/dll/win32/samsrv/samsrv.def
rename to reactos/dll/win32/samsrv/samsrv.spec
index 9f0b45a555a..31b31ac2e77 100644
--- a/reactos/dll/win32/samsrv/samsrv.def
+++ b/reactos/dll/win32/samsrv/samsrv.spec
@@ -1,5 +1,3 @@
-LIBRARY samsrv
-EXPORTS
 ;SamIAccountRestrictions
 ;SamIConnect
 ;SamICreateAccountByRid
@@ -18,12 +16,12 @@ EXPORTS
 ;SamIFree_SAMPR_USER_INFO_BUFFER
 ;SamIGetPrivateData
 ;SamIGetSerialNumberDomain
-SamIInitialize
+@ stdcall SamIInitialize()
 ;SamINotifyDelta
 ;SamISetAuditingInformation
 ;SamISetPrivateData
 ;SamISetSerialNumberDomain
-SampInitializeRegistry
+@ stdcall SampInitializeRegistry()
 ;SampRtlConvertUlongToUnicodeString
 ;SamrAddMemberToAlias
 ;SamrAddMemberToGroup