diff --git a/dlls/rsaenh/rsaenh.c b/dlls/rsaenh/rsaenh.c
index a428cc70767..d0fc5befd66 100644
--- a/dlls/rsaenh/rsaenh.c
+++ b/dlls/rsaenh/rsaenh.c
@@ -358,7 +358,7 @@ static struct handle_table handle_table;
  *
  * Initializes and destroys the handle table for the CSP's handles.
  */
-int WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
+BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID reserved)
 {
     switch (fdwReason)
     {
@@ -369,10 +369,11 @@ int WINAPI DllMain(HINSTANCE hInstance, DWORD fdwReason, PVOID pvReserved)
             break;
 
         case DLL_PROCESS_DETACH:
+            if (reserved) break;
             destroy_handle_table(&handle_table);
             break;
     }
-    return 1;
+    return TRUE;
 }
 
 /******************************************************************************