diff --git a/dumpcap.c b/dumpcap.c
index 32575b44ee..86d73d10a0 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -3538,7 +3538,7 @@ static gboolean
 capture_loop_open_output(capture_options *capture_opts, int *save_file_fd,
                          char *errmsg, int errmsg_len)
 {
-    gchar    *capfile_name;
+    gchar    *capfile_name = NULL;
     gchar    *prefix, *suffix;
     gboolean  is_tempfile;
     GError   *err_tempfile = NULL;
@@ -3687,8 +3687,8 @@ capture_loop_open_output(capture_options *capture_opts, int *save_file_fd,
     if (*save_file_fd == -1) {
         if (is_tempfile) {
             snprintf(errmsg, errmsg_len,
-                       "The temporary file to which the capture would be saved (\"%s\") "
-                       "could not be opened: %s.", capfile_name, err_tempfile->message);
+                       "The temporary file to which the capture would be saved "
+                       "could not be opened: %s.", err_tempfile->message);
             g_error_free(err_tempfile);
         } else {
             if (capture_opts->multi_files_on) {
diff --git a/ui/export_pdu_ui_utils.c b/ui/export_pdu_ui_utils.c
index 72188f78fe..6d8637605a 100644
--- a/ui/export_pdu_ui_utils.c
+++ b/ui/export_pdu_ui_utils.c
@@ -35,7 +35,7 @@ do_export_pdu(const char *filter, const gchar *tap_name)
     char *error;
     int   import_file_fd;
     int   file_type_subtype;
-    char *capfile_name, *comment;
+    char *capfile_name = NULL, *comment;
     gboolean status;
     int   err;
     gchar *err_info;