diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index ce0ed6b..985a353 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -2,9 +2,9 @@
 
 if(INSTALL_MBEDTLS_HEADERS)
 
-file(GLOB headers "mbedtls/*.h")
+    file(GLOB headers "mbedtls/*.h")
 
-install(FILES ${headers}
+    install(FILES ${headers}
         DESTINATION include/mbedtls
         PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)