1 files changed, 4 insertions, 0 deletions
diff --git a/src/ptx.c b/src/ptx.c
index dafcbe22a..8f7ae95a4 100644
--- a/src/ptx.c
+++ b/src/ptx.c
@@ -388,6 +388,10 @@ copy_unescaped_string (const char *string)
 	      string++;
 	      break;
 
+	    case '\0':		/* lone backslash at end of string */
+	      /* ignore it */
+	      break;
+
 	    default:
 	      *cursor++ = '\\';
 	      *cursor++ = *string++;