diff --git a/mach/ns/as/mach2.c b/mach/ns/as/mach2.c
index dd69f69b0..93c4e7ef3 100644
--- a/mach/ns/as/mach2.c
+++ b/mach/ns/as/mach2.c
@@ -60,4 +60,4 @@
 %token <y_word> ACB
 %token <y_word> WAIT
 
-%type  <y_word> cpu_opts, cpu_list, string_opts, reg_list, reg_items
+%type  <y_word> cpu_opts cpu_list string_opts reg_list reg_items
diff --git a/mach/pdp/as/mach2.c b/mach/pdp/as/mach2.c
index cc8f5e77b..6d2fb33eb 100644
--- a/mach/pdp/as/mach2.c
+++ b/mach/pdp/as/mach2.c
@@ -36,5 +36,5 @@
 %token <y_word> CLEARCC
 %token <y_word> SETCC
 
-%type <y_word> opr1, opr2, op2, fopr2, fopr1, ari, ainc, adec
-%type <y_word> fop2, clcc, secc, fregister
+%type <y_word> opr1 opr2 op2 fopr2 fopr1 ari ainc adec
+%type <y_word> fop2 clcc secc fregister