diff --git a/migScope/__init__.py b/migScope/__init__.py
index d8ee29bad..7b7f42799 100644
--- a/migScope/__init__.py
+++ b/migScope/__init__.py
@@ -66,25 +66,25 @@ class EdgeDetector:
 		# Rising Edge
 		if "R" in self.mode:
 			if self.pipe:
-				sync += [self.ro.eq(self.i & (~self.i_d))]
+				sync += [self.ro.eq(self.r_mask & self.i & (~self.i_d))]
 			else:
-				comb +=  [self.ro.eq(self.i & (~ self.i_d))]
+				comb +=  [self.ro.eq(self.r_mask & self.i & (~ self.i_d))]
 		else:
 			comb +=  [self.ro.eq(0)]
 		# Falling Edge
 		if "F" in self.mode:
 			if self.pipe:
-				sync += [self.fo.eq((~ self.i) & self.i_d)]
+				sync += [self.fo.eq(self.f_mask & (~ self.i) & self.i_d)]
 			else:
-				comb +=  [self.fo.eq((~ self.i) & self.i_d)]
+				comb +=  [self.fo.eq(self.f_mask & (~ self.i) & self.i_d)]
 		else:
 			comb +=  [self.fo.eq(0)]
 		# Both
 		if "B" in self.mode:
 			if self.pipe:
-				sync += [self.bo.eq(self.i != self.i_d)]
+				sync += [self.bo.eq(self.b_mask & self.i != self.i_d)]
 			else:
-				comb +=  [self.bo.eq(self.i != self.i_d)]
+				comb +=  [self.bo.eq(self.b_mask & self.i != self.i_d)]
 		else:
 			comb +=  [self.bo.eq(0)]
 		#Output
@@ -256,7 +256,7 @@ class Trigger:
 		
 		comb+= [self.dat.eq(self.in_dat)]
 		
-		return frag + _sum.get_fragment() + Fragment(comb=comb, sync=sync)
+		return frag + Fragment(comb=comb, sync=sync)
 
 
 class Storage:
diff --git a/top.py b/top.py
index e2b3eb971..246259aeb 100644
--- a/top.py
+++ b/top.py
@@ -8,7 +8,7 @@ from migen.bus import csr
 import migScope
 
 #
-#Test RangeDetector
+#Test Term
 #
 #term = migScope.Term(32,True)
 #v = verilog.convert(term.get_fragment())
@@ -70,12 +70,15 @@ import migScope
 #v = verilog.convert(recorder.get_fragment())
 #print(v)
 
-
+#
+#Test Trigger
+#
 term0 = migScope.Term(32)
-term1 = migScope.Term(32)
-term2 = migScope.Term(32)
+term1 = migScope.RangeDetector(32)
+term2 = migScope.EdgeDetector(32)
 term3 = migScope.Term(32)
 
 trigger0 = migScope.Trigger(0,32,64,[term0, term1, term2, term3])
 v = verilog.convert(trigger0.get_fragment())
 print(v)
+