diff --git a/ecs/jskult-batch-daily/src/batch/ultmarc/utmp_tables/table_mapper/concrete/com_alma_mapper.py b/ecs/jskult-batch-daily/src/batch/ultmarc/utmp_tables/table_mapper/concrete/com_alma_mapper.py
index 5963aa3f..699cbe6c 100644
--- a/ecs/jskult-batch-daily/src/batch/ultmarc/utmp_tables/table_mapper/concrete/com_alma_mapper.py
+++ b/ecs/jskult-batch-daily/src/batch/ultmarc/utmp_tables/table_mapper/concrete/com_alma_mapper.py
@@ -88,5 +88,8 @@ class ComAlmaMapper(UltmarcTableMapper):
         if record_count[0]['count_num'] == 0:
             return self.INSERT_QUERY
 
-        # 存在する場合はUpdate
-        return self.UPDATE_QUERY
+        # 存在する場合ではUpdate
+        if self.record.alma == '':
+            return None
+        else:
+            return self.UPDATE_QUERY
diff --git a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/db_com_alma_before_delete.csv b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/db_com_alma_before_delete.csv
index 259afa23..2aa73354 100644
--- a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/db_com_alma_before_delete.csv
+++ b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/db_com_alma_before_delete.csv
@@ -2,6 +2,6 @@
 "001","北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
 "002","札幌医","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
 "003","弘大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
-"004",,"20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
+"004","","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 11:35:27","clsComAlma"
 "005","東北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
 "006","福島医","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","clsComAlma"
diff --git a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_delete.csv b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_delete.csv
index 6cb36d4b..afaca4a8 100644
--- a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_delete.csv
+++ b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_delete.csv
@@ -2,7 +2,7 @@
 "001","北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
 "002","札幌医","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
 "003","弘大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
-"004","","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
+"004","","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","clsComAlma"
 "005","東北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
 "006","福島医","20171020","20171020","20171020","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:43:15","com_alma_mapper"
 "007","群馬大","20171020","NULL","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:43:15","com_alma_mapper","2017/10/20 10:43:15","com_alma_mapper"
diff --git a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_update.csv b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_update.csv
index 50811ab3..4fc8b3bc 100644
--- a/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_update.csv
+++ b/ecs/jskult-batch-daily/tests/batch/ultmarc/utmp_tables/table_mapper/com_alma/expect_com_alma_update.csv
@@ -2,7 +2,7 @@
 "001","北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
 "002","札幌医","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
 "003","弘大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
-"004",,"20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
+"004","岩手医","20171020","NULL","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:27:33","clsComAlma"
 "005","福島医","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
 "006","東北大","20171020","20171020","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","clsComAlma","2017/10/20 10:35:27","com_alma_mapper"
-"007","神大","20171020","NULL","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","com_alma_mapper","2017/10/20 10:35:27","com_alma_mapper"
+"007","神大","20171020","NULL","NULL","NULL","NULL","NULL","NULL","2017/10/20 10:27:33","com_alma_mapper","2017/10/20 10:35:27","com_alma_mapper"
\ No newline at end of file