diff --git a/firmware/src_simtrace/tc_etu.c b/firmware/src_simtrace/tc_etu.c
index 48b84632..2e000e3c 100644
--- a/firmware/src_simtrace/tc_etu.c
+++ b/firmware/src_simtrace/tc_etu.c
@@ -24,7 +24,7 @@
 
 #include <string.h>
 
-static const Pin pTC[] = PINS_TC;
+static const Pin pTC[] = {PINS_TC};
 
 /** Global timestamp in milliseconds since start of application */
 volatile uint32_t dwTimeStamp = 0;