diff --git a/cde/lib/DtHelp/FileListUtils.c b/cde/lib/DtHelp/FileListUtils.c
index 5b522780d..727a4b159 100644
--- a/cde/lib/DtHelp/FileListUtils.c
+++ b/cde/lib/DtHelp/FileListUtils.c
@@ -237,8 +237,7 @@ static int ScanDirForFiles(
     if (pDir == NULL) return 0;                        /* RETURN */
 
     /* build the pathname */
-    strcpy (fullName, dirpath);
-    strcat (fullName, DirSlashStr);
+    snprintf(fullName, sizeof(fullName), "%s%s", dirpath, DirSlashStr);
     ptr = fullName + strlen (fullName);
 
     /*