diff --git a/terminalemulator.d b/terminalemulator.d
index dcf4abd..3b13f50 100644
--- a/terminalemulator.d
+++ b/terminalemulator.d
@@ -397,7 +397,8 @@ class TerminalEmulator {
 							}
 						}
 
-						sendHyperlinkData(buffer[0 .. end - start], number);
+						if((cast(size_t) (end - start)) <= buffer.length)
+							sendHyperlinkData(buffer[0 .. end - start], number);
 					}
 				}
 			}