2 files changed, 6 insertions, 6 deletions

diff --git a/pcapio.c b/pcapio.c
index c137515ae8..575b9f76a6 100644
--- a/pcapio.c
+++ b/pcapio.c
@@ -268,7 +268,7 @@ libpcap_write_packet(FILE *fp, const struct pcap_pkthdr *phdr, const u_char *pd,
 
 gboolean
 libpcap_write_session_header_block(FILE *fp,
-                                   char *appname,
+                                   const char *appname,
                                    long *bytes_written,
                                    int *err)
 {
@@ -313,8 +313,8 @@ libpcap_write_session_header_block(FILE *fp,
 
 gboolean
 libpcap_write_interface_description_block(FILE *fp,
-                                          char *name,
-                                          char *filter,
+                                          const char *name,
+                                          const char *filter,
                                           int link_type,
                                           int snap_len,
                                           long *bytes_written,
diff --git a/pcapio.h b/pcapio.h
index a51d28678d..80d28da8bc 100644
--- a/pcapio.h
+++ b/pcapio.h
@@ -43,14 +43,14 @@ libpcap_write_packet(FILE *fp, const struct pcap_pkthdr *phdr, const u_char *pd,
 
 extern gboolean
 libpcap_write_session_header_block(FILE *fp,
-                                   char *appname,
+                                   const char *appname,
                                    long *bytes_written,
                                    int *err);
 
 extern gboolean
 libpcap_write_interface_description_block(FILE *fp,
-                                          char *name,
-                                          char *filter,
+                                          const char *name,
+                                          const char *filter,
                                           int link_type,
                                           int snap_len,
                                           long *bytes_written,