diff --git a/epan/dissectors/packet-parlay.c b/epan/dissectors/packet-parlay.c
index b8dfb9265d..638ffae79d 100644
--- a/epan/dissectors/packet-parlay.c
+++ b/epan/dissectors/packet-parlay.c
@@ -53598,7 +53598,7 @@ decode_org_csapi_TpSimpleAttributeValue_un(tvbuff_t *tvb _U_, packet_info *pinfo
     guint32   u_octet4;
     gint32    disc_s_TpSimpleAttributeValue;
     gint8     s_octet1;
-    gchar   *seq = NULL;
+    const gchar   *seq = NULL;
     /* Operation specific Variable declarations End */
 
     (void)item; /* Avoid coverity param_set_but_unused parse warning */
diff --git a/tools/wireshark_gen.py b/tools/wireshark_gen.py
index 611194ffc1..6250877e53 100755
--- a/tools/wireshark_gen.py
+++ b/tools/wireshark_gen.py
@@ -139,7 +139,7 @@ class wireshark_gen_C:
     c_float       = "gfloat    my_float;"
     c_double      = "gdouble   my_double;"
 
-    c_seq         = "gchar   *seq = NULL;"          # pointer to buffer of gchars
+    c_seq         = "const gchar   *seq = NULL;"          # pointer to buffer of gchars
     c_i           = "guint32   i_";                 # loop index
     c_i_lim       = "guint32   u_octet4_loop_";     # loop limit
     c_u_disc      = "guint32   disc_u_";            # unsigned int union discriminant variable name (enum)