diff --git a/src/bison.s1 b/src/bison.s1
index b830d95f..f0418796 100644
--- a/src/bison.s1
+++ b/src/bison.s1
@@ -96,7 +96,7 @@
    Once GCC version 2 has supplanted version 1, this can go.  */
 #define YYFAIL		goto yyerrlab
 #define YYRECOVERING()  (!!yyerrstatus)
-#define YYBACKUP(Token, Value) \
+#define YYBACKUP(Token, Value)					\
 do								\
   if (yychar == YYEMPTY && yylen == 1)				\
     {								\
@@ -393,8 +393,8 @@ yynewstate:
       int size = yyssp - yyss + 1;
 
 #ifdef yyoverflow
-      /* Each stack pointer address is followed by the size of
-	 the data in use in that stack, in bytes.  */
+      /* Each stack pointer address is followed by the size of the
+	 data in use in that stack, in bytes.  */
 # if YYLSP_NEEDED
       /* This used to be a conditional around just the two extra args,
 	 but that might be undefined if yyoverflow is a macro.  */
diff --git a/src/bison.simple b/src/bison.simple
index b830d95f..f0418796 100644
--- a/src/bison.simple
+++ b/src/bison.simple
@@ -96,7 +96,7 @@
    Once GCC version 2 has supplanted version 1, this can go.  */
 #define YYFAIL		goto yyerrlab
 #define YYRECOVERING()  (!!yyerrstatus)
-#define YYBACKUP(Token, Value) \
+#define YYBACKUP(Token, Value)					\
 do								\
   if (yychar == YYEMPTY && yylen == 1)				\
     {								\
@@ -393,8 +393,8 @@ yynewstate:
       int size = yyssp - yyss + 1;
 
 #ifdef yyoverflow
-      /* Each stack pointer address is followed by the size of
-	 the data in use in that stack, in bytes.  */
+      /* Each stack pointer address is followed by the size of the
+	 data in use in that stack, in bytes.  */
 # if YYLSP_NEEDED
       /* This used to be a conditional around just the two extra args,
 	 but that might be undefined if yyoverflow is a macro.  */