diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index 2ce3c7c75..ac7189cd2 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -11,8 +11,8 @@ add_library(${TARGET} OBJECT
     grammar-parser.cpp
     train.h
     train.cpp
-	json.hpp
-	httplib.h
+    json.hpp
+    httplib.h
     )
 
 if (BUILD_SHARED_LIBS)