diff --git a/Zend/zend_compile.h b/Zend/zend_compile.h
index 20eb0fcfcce..82d51b0fce5 100644
--- a/Zend/zend_compile.h
+++ b/Zend/zend_compile.h
@@ -42,10 +42,10 @@
 #define HANDLE_INTERACTIVE()  if (CG(interactive)) { execute_new_code(TSRMLS_C); }
 
 #define RESET_DOC_COMMENT()      \
-    do {                         \
+    {                            \
         CG(doc_comment) = NULL;  \
         CG(doc_comment_len) = 0; \
-    } while (0)
+    }
 
 typedef struct _zend_op_array zend_op_array;
 typedef struct _zend_op zend_op;