diff --git a/reactos/dll/win32/msgina/msgina.def b/reactos/dll/win32/msgina/msgina.def
deleted file mode 100644
index 063c4f311ae..00000000000
--- a/reactos/dll/win32/msgina/msgina.def
+++ /dev/null
@@ -1,55 +0,0 @@
-LIBRARY msgina.dll
-
-EXPORTS
-;MSGINA.1@0
-;MSGINA.2@0
-;MSGINA.3@0
-;MSGINA.4@0
-;MSGINA.5@0
-;MSGINA.6@0
-;MSGINA.7@0
-;MSGINA.8@0
-;MSGINA.9@0
-;MSGINA.10@0
-;MSGINA.11@0
-;MSGINA.12@0
-;MSGINA.13@0
-;MSGINA.14@0
-;MSGINA.15@0
-;MSGINA.16@0
-;MSGINA.17@0
-;MSGINA.18@0
-;MSGINA.19@0
-;MSGINA.20@0
-;MSGINA.21@0
-;MSGINA.22@0
-;MSGINA.23@0
-;MSGINA.24@0
-;MSGINA.25@0
-;MSGINA.26@0
-;MSGINA.27@0
-;MSGINA.28@0
-ShellShutdownDialog@12
-WlxActivateUserShell@16
-WlxDisplayLockedNotice@4
-WlxDisplaySASNotice@4
-WlxInitialize@20
-WlxIsLockOk@4
-WlxIsLogoffOk@4
-WlxLoggedOnSAS@12
-WlxLoggedOutSAS@32
-WlxLogoff@4
-WlxNegotiate@8
-WlxShutdown@8
-WlxWkstaLockedSAS@8
-WlxScreenSaverNotify@8
-WlxStartApplication@16
-WlxDisplayStatusMessage@20
-WlxGetStatusMessage@16
-WlxNetworkProviderLoad@8
-;WlxReconnectNotify@0
-WlxRemoveStatusMessage@4
-WlxDisconnectNotify@4
-WlxGetConsoleSwitchCredentials@8
-
-; EOF
diff --git a/reactos/dll/win32/msgina/msgina.rbuild b/reactos/dll/win32/msgina/msgina.rbuild
index cd0fb03b0ef..d000673cc6a 100644
--- a/reactos/dll/win32/msgina/msgina.rbuild
+++ b/reactos/dll/win32/msgina/msgina.rbuild
@@ -1,5 +1,5 @@
 <module name="msgina" type="win32dll" baseaddress="${BASEADDRESS_MSGINA}" installbase="system32" installname="msgina.dll">
-	<importlibrary definition="msgina.def" />
+	<importlibrary definition="msgina.spec.def" />
 	<include base="msgina">.</include>
 	<include base="msgina">include</include>
 	<library>ntdll</library>
@@ -14,4 +14,5 @@
 	<file>stubs.c</file>
 	<file>tui.c</file>
 	<file>msgina.rc</file>
+	<file>msgina.spec</file>
 </module>
diff --git a/reactos/dll/win32/msgina/msgina.spec b/reactos/dll/win32/msgina/msgina.spec
new file mode 100644
index 00000000000..0dfd167015c
--- /dev/null
+++ b/reactos/dll/win32/msgina/msgina.spec
@@ -0,0 +1,50 @@
+1 stub -noname stub1
+2 stub -noname stub2
+3 stub -noname stub3
+4 stub -noname stub4
+5 stub -noname stub5
+6 stub -noname stub6
+7 stub -noname stub7
+8 stub -noname stub8
+9 stub -noname stub9
+10 stub -noname stub10
+11 stub -noname stub11
+12 stub -noname stub12
+13 stub -noname stub13
+14 stub -noname stub14
+15 stub -noname stub15
+16 stub -noname stub16
+17 stub -noname stub17
+18 stub -noname stub18
+19 stub -noname stub19
+20 stub -noname stub20
+21 stub -noname stub21
+22 stub -noname stub22
+23 stub -noname stub23
+24 stub -noname stub24
+25 stub -noname stub25
+26 stub -noname stub26
+27 stub -noname stub27
+28 stub -noname stub28
+@ stdcall ShellShutdownDialog(ptr long long)
+@ stdcall WlxActivateUserShell(ptr wstr wstr ptr)
+@ stdcall WlxDisconnectNotify(ptr)
+@ stdcall WlxDisplayLockedNotice(ptr)
+@ stdcall WlxDisplaySASNotice(ptr)
+@ stdcall WlxDisplayStatusMessage(ptr ptr long wstr wstr)
+@ stdcall WlxGetConsoleSwitchCredentials(ptr ptr)
+@ stdcall WlxGetStatusMessage(ptr ptr ptr long)
+@ stdcall WlxInitialize(wstr ptr ptr ptr ptr)
+@ stdcall WlxIsLockOk(ptr)
+@ stdcall WlxIsLogoffOk(ptr)
+@ stdcall WlxLoggedOnSAS(ptr long ptr)
+@ stdcall WlxLoggedOutSAS(ptr long ptr ptr ptr ptr ptr ptr)
+@ stdcall WlxLogoff(ptr)
+@ stdcall WlxNegotiate(long ptr)
+@ stdcall WlxNetworkProviderLoad(ptr ptr)
+@ stub WlxReconnectNotify
+@ stdcall WlxRemoveStatusMessage(ptr)
+@ stdcall WlxScreenSaverNotify(ptr ptr)
+@ stdcall WlxShutdown(ptr long)
+@ stdcall WlxStartApplication(ptr wstr ptr wstr)
+@ stdcall WlxWkstaLockedSAS(ptr long)