diff --git a/passes/cmds/Makefile.inc b/passes/cmds/Makefile.inc
index 49a790f67..5d9d08481 100644
--- a/passes/cmds/Makefile.inc
+++ b/passes/cmds/Makefile.inc
@@ -51,3 +51,5 @@ OBJS += passes/cmds/dft_tag.o
 OBJS += passes/cmds/future.o
 OBJS += passes/cmds/box_derive.o
 OBJS += passes/cmds/example_dt.o
+OBJS += passes/cmds/activity.o
+OBJS += passes/cmds/splitnetlist.o
\ No newline at end of file
diff --git a/passes/cmds/activity.cc b/passes/cmds/activity.cc
index 2940bad2a..73a1520d0 100644
--- a/passes/cmds/activity.cc
+++ b/passes/cmds/activity.cc
@@ -77,8 +77,13 @@ struct ActivityProp {
 			// Assign them to each SigBit (1 signal bit)
 			for (int i = 0; i < GetSize(sig); i++) {
 				SigBit bit(sig[i]);
-				ActivityMap.emplace(bit, activities[i]);
-				DutyMap.emplace(bit, duties[i]);
+				if (i < activities.size() -1) {
+				  ActivityMap.emplace(bit, activities[i]);
+				  DutyMap.emplace(bit, duties[i]);
+				} else {
+					ActivityMap.emplace(bit, "0.0");
+				  DutyMap.emplace(bit, "0.0");
+				}
 			}
 		}
 		// Attach port activity to cell using sigmap