diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 0128d7f..7cb19eb 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -176,7 +176,7 @@
 
 #define Py_UNICODE_FILL(target, value, length) \
     do {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\
-    for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
+        for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
     } while (0)
 
 /* macros to work with surrogates */