diff --git a/src/arch/msp430fr5969lp/driver/counter.cc b/src/arch/msp430fr5969lp/driver/counter.cc
index cd10b5cc379282d1989076295818f0a528c142dd..7a5aca2af8df2d1d3a5ccdbfc5363fef30b5e9df 100644
--- a/src/arch/msp430fr5969lp/driver/counter.cc
+++ b/src/arch/msp430fr5969lp/driver/counter.cc
@@ -8,6 +8,7 @@
 
 Counter counter;
 
+#ifndef __acweaving
 __attribute__((interrupt(TIMER2_A1_VECTOR))) void handle_timer2_overflow()
 {
 	if (TA2IV == 0x0e) {
@@ -16,3 +17,4 @@ __attribute__((interrupt(TIMER2_A1_VECTOR))) void handle_timer2_overflow()
 		}
 	}
 }
+#endif