diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OutputStatementsGenerator.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OutputStatementsGenerator.java
index baf5c72..34a2054 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OutputStatementsGenerator.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OutputStatementsGenerator.java
@@ -123,13 +123,13 @@
 		String thisClass;
 		String thisObject;
 		String methodSignature = null;
-		if ((m.getModifiers() & Modifier.STATIC) != 0) {
+		if ((m.getModifiers() & Modifier.STATIC) != 0 && m instanceof CtMethod) {
 			// static���\�b�h�̏ꍇ
 			methodSignature = "\"" + modifiers + ((CtMethod)m).getReturnType().getName() + " " + m.getLongName().replace('$', '.') + "\"";	// AspectJ�ł̓��\�b�h�V�O�j�`�����ł͖����N���X�̓h�b�g�ŋ�؂���
 			thisClass = "\"" + declaredClassName + "\"";
 			thisObject = "\"0\"";
 		} else if (m instanceof CtConstructor) {
-			// �R���X�g���N�^�̏ꍇ
+			// �R���X�g���N�^�̏ꍇ(�N���X�������q�̏ꍇ������)
 			methodSignature = "\"" + modifiers + m.getLongName().replace('$', '.') + "\"";	// AspectJ�ł̓��\�b�h�V�O�j�`�����ł͖����N���X�̓h�b�g�ŋ�؂���
 			thisClass = "\"" + declaredClassName + "\"";
 			thisObject = "\"0\"";
@@ -173,7 +173,7 @@
 		String returnedObject;
 		String thisClass;
 		String thisObject;
-		if ((m.getModifiers() & Modifier.STATIC) != 0) {
+		if ((m.getModifiers() & Modifier.STATIC) != 0 && m instanceof CtMethod) {
 			// static���\�b�h�̏ꍇ
 			if (!((CtMethod)m).getReturnType().isPrimitive() || ((CtMethod)m).getReturnType() == CtClass.voidType) {
 				returnedClass = "(($_ != null)?$_.getClass().getName():\"void\")";
@@ -187,13 +187,22 @@
 				thisObject = "\"0\"";
 			}
 		} else if (m instanceof CtConstructor) {
-			// �R���X�g���N�^�̏ꍇ
+			// �R���X�g���N�^�̏ꍇ(�N���X�������q�̏ꍇ������)
 			if (!isCallerSideInstrumentation) {
-				// �Ăяo����ɖ��ߍ��ޏꍇ(�ʏ�)
-				returnedClass = "$0.getClass().getName()";
-				returnedObject = "System.identityHashCode($0)";
-				thisClass = "\"" + declaredClassName + "\"";
-				thisObject = "System.identityHashCode($0)";
+				// �Ăяo����ɖ��ߍ��ޏꍇ
+				if ((m.getModifiers() & Modifier.STATIC) == 0) {
+					// �ʏ�̃R���X�g���N�^�̏ꍇ
+					returnedClass = "$0.getClass().getName()";
+					returnedObject = "System.identityHashCode($0)";
+					thisClass = "\"" + declaredClassName + "\"";
+					thisObject = "System.identityHashCode($0)";
+				} else {
+					// �N���X�������q�̏ꍇ
+					returnedClass = "\"void\"";
+					returnedObject = "\"0\"";
+					thisClass = "\"" + declaredClassName + "\"";
+					thisObject = "\"0\"";
+				}
 			} else {
 				// �ďo�����ɖ��ߍ��ޏꍇ(�W���N���X�������̓f�t�H���g�R���X�g���N�^�̌ďo���A�܂��͐e�R���X�g���N�^�̌ďo��)
 				returnedClass = "(($_ != null)?$_.getClass().getName():$0.getClass().getName())";