diff --git a/src/if_py_both.h b/src/if_py_both.h
index ff18098..c1d7675 100644
--- a/src/if_py_both.h
+++ b/src/if_py_both.h
@@ -148,7 +148,7 @@
 	Py_XDECREF(module); \
 	Py_XDECREF(full); \
 	Py_XDECREF(full_bytes); \
-    } while(0)
+    } while (0)
 
 # define PyList_GET_ITEM(list, i) PyList_GetItem(list, i)
 # define PyList_GET_SIZE(o) PyList_Size(o)