diff --git a/cpu/pic32/rtimer-arch.c b/cpu/pic32/rtimer-arch.c
index fda75ddf589..83e66aa2e5d 100644
--- a/cpu/pic32/rtimer-arch.c
+++ b/cpu/pic32/rtimer-arch.c
@@ -107,6 +107,6 @@ rtimer_arch_schedule(rtimer_clock_t t)
 }
 /*---------------------------------------------------------------------------*/
 
-TIMER_INTERRUPT(3, rtimer_callback);
+TIMER_INTERRUPT(5, rtimer_callback);
 
 /** @} */