1diff --git a/utils/llvm-build/llvmbuild/main.py b/utils/llvm-build/llvmbuild/main.py
2index eacefdf60bf..40d25f5cef8 100644
3--- a/utils/llvm-build/llvmbuild/main.py
4+++ b/utils/llvm-build/llvmbuild/main.py
5@@ -412,7 +412,7 @@ subdirectories = %s
6 if library_name is None:
7 library_name_as_cstr = '0'
8 else:
9- library_name_as_cstr = '"lib%s.a"' % library_name
10+ library_name_as_cstr = '"lib%s.so"' % library_name
11 f.write(' { "%s", %s, %d, { %s } },\n' % (
12 name, library_name_as_cstr, is_installed,
13 ', '.join('"%s"' % dep