diff --git a/object.c b/object.c
index 7bfc7895f1..0b7c1bc441 100644
--- a/object.c
+++ b/object.c
@@ -1689,8 +1689,8 @@ rb_obj_alloc(VALUE klass)
     if (RUBY_DTRACE_OBJECT_CREATE_ENABLED()) {
         const char * file = rb_sourcefile();
         RUBY_DTRACE_OBJECT_CREATE(rb_class2name(klass),
-                                 file ? file : "",
-                                 rb_sourceline());
+				  file ? file : "",
+				  rb_sourceline());
     }
 
     obj = (*allocator)(klass);
diff --git a/vm.c b/vm.c
index 9ba7be364b..5e7b61df35 100644
--- a/vm.c
+++ b/vm.c
@@ -2499,7 +2499,7 @@ vm_collect_usage_insn(int insn)
 	RUBY_DTRACE_INSN(rb_insns_name(insn));
     }
     if (ruby_vm_collect_usage_func_insn)
-      (*ruby_vm_collect_usage_func_insn)(insn);
+	(*ruby_vm_collect_usage_func_insn)(insn);
 }
 
 /* @param insn instruction number
@@ -2517,7 +2517,7 @@ vm_collect_usage_operand(int insn, int n, VALUE op)
 	RUBY_DTRACE_INSN_OPERAND(RSTRING_PTR(valstr), rb_insns_name(insn));
     }
     if (ruby_vm_collect_usage_func_operand)
-      (*ruby_vm_collect_usage_func_operand)(insn, n, op);
+	(*ruby_vm_collect_usage_func_operand)(insn, n, op);
 }
 
 #if VM_COLLECT_USAGE_DETAILS
@@ -2527,7 +2527,7 @@ static void
 vm_collect_usage_register(int reg, int isset)
 {
     if (ruby_vm_collect_usage_func_register)
-      (*ruby_vm_collect_usage_func_register)(reg, isset);
+	(*ruby_vm_collect_usage_func_register)(reg, isset);
 }
 #endif