diff --git a/hello_world.f90 b/hello_world.f90
index 6ce9ddc..08677f4 100644
--- a/hello_world.f90
+++ b/hello_world.f90
@@ -1,4 +1,4 @@
 program hello
-print *, "Hello World!"
+  print *, "Hello World!"
 end program hello