diff --git a/irISR.cpp b/irISR.cpp
index b124e9c..e3bc1c3 100644
--- a/irISR.cpp
+++ b/irISR.cpp
@@ -15,7 +15,7 @@
 // As soon as first MARK arrives:
 //   Gap width is recorded; Ready is cleared; New logging starts
 //
-ISR (TIMER_INTR_NAME)
+ISR (TIMER_INTR_NAME)
 {
 	TIMER_RESET;