diff --git a/cmake/modules/AddLLVM.cmake b/cmake/modules/AddLLVM.cmake
index 41902d26052..df4aef62325 100644
--- a/cmake/modules/AddLLVM.cmake
+++ b/cmake/modules/AddLLVM.cmake
@@ -276,6 +276,11 @@ function(llvm_add_library name)
   endif()
 
   if(ARG_SHARED)
+    if(WIN32)
+      set_target_properties(${name} PROPERTIES
+        PREFIX ""
+        )
+    endif()
     if (MSVC)
       set_target_properties(${name}
         PROPERTIES