diff --git a/gradle.properties b/gradle.properties
index e26553b..d4178b8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 group = org.xbib
-version = 1.0.1
+version = 1.0.2
 org.gradle.daemon = true
diff --git a/src/main/java/org/xbib/marc/transformer/field/MarcFieldTransformer.java b/src/main/java/org/xbib/marc/transformer/field/MarcFieldTransformer.java
index e07b83d..2e98055 100644
--- a/src/main/java/org/xbib/marc/transformer/field/MarcFieldTransformer.java
+++ b/src/main/java/org/xbib/marc/transformer/field/MarcFieldTransformer.java
@@ -255,11 +255,35 @@ public class MarcFieldTransformer extends LinkedHashMap<String, MarcField> {
 
         public Builder fromTo(String a, String b) {
             String[] from = a.split(Pattern.quote(MarcField.KEY_DELIMITER), -1);
+            MarcField.Builder fromBuilder = MarcField.builder();
+            switch (from.length) {
+                case 1:
+                    fromBuilder.tag(from[0]);
+                    break;
+                case 2:
+                    fromBuilder.tag(from[0]).indicator(from[1]);
+                    break;
+                case 3:
+                    fromBuilder.tag(from[0]).indicator(from[1]).subfields(from[2]);
+                    break;
+                default:
+                    break;
+            }
             String[] to = b.split(Pattern.quote(MarcField.KEY_DELIMITER), -1);
-            MarcField.Builder fromBuilder = MarcField.builder()
-                    .tag(from[0]).indicator(from[1]).subfields(from[2]);
-            MarcField.Builder toBuilder = MarcField.builder()
-                    .tag(to[0]).indicator(to[1]).subfields(to[2]);
+            MarcField.Builder toBuilder = MarcField.builder();
+            switch (to.length) {
+                case 1:
+                    toBuilder.tag(to[0]);
+                    break;
+                case 2:
+                    toBuilder.tag(to[0]).indicator(to[1]);
+                    break;
+                case 3:
+                    toBuilder.tag(to[0]).indicator(to[1]).subfields(to[2]);
+                    break;
+                default:
+                    break;
+            }
             fromTo(fromBuilder.build(), toBuilder.build());
             return this;
         }
@@ -271,8 +295,20 @@ public class MarcFieldTransformer extends LinkedHashMap<String, MarcField> {
 
         public Builder drop(String a) {
             String[] s = a.split(Pattern.quote(MarcField.KEY_DELIMITER), -1);
-            MarcField.Builder builder = MarcField.builder()
-                    .tag(s[0]).indicator(s[1]).subfields(s[2]);
+            MarcField.Builder builder = MarcField.builder();
+            switch (s.length) {
+                case 1:
+                    builder.tag(s[0]);
+                    break;
+                case 2:
+                    builder.tag(s[0]).indicator(s[1]);
+                    break;
+                case 3:
+                    builder.tag(s[0]).indicator(s[1]).subfields(s[2]);
+                    break;
+                default:
+                    break;
+            }
             drop(builder.build());
             return this;
         }
diff --git a/src/test/java/org/xbib/marc/transformer/MarcFieldTransformerTest.java b/src/test/java/org/xbib/marc/transformer/MarcFieldTransformerTest.java
index d369a6c..c8da53f 100644
--- a/src/test/java/org/xbib/marc/transformer/MarcFieldTransformerTest.java
+++ b/src/test/java/org/xbib/marc/transformer/MarcFieldTransformerTest.java
@@ -118,6 +118,17 @@ public class MarcFieldTransformerTest {
         assertEquals(MarcField.EMPTY, b);
     }
 
+    @Test
+    public void testDropTag() {
+        MarcFieldTransformer marcFieldTransformer = MarcFieldTransformer.builder()
+                .ignoreIndicator()
+                .drop("001")
+                .build();
+        MarcField a = MarcField.builder().tag("001").subfield("a", "Hello").subfield("b", "World").build();
+        MarcField b = marcFieldTransformer.transform(a);
+        assertEquals(MarcField.EMPTY, b);
+    }
+
     @Test
     public void testStringSpec() {
         MarcFieldTransformer marcFieldTransformer = MarcFieldTransformer.builder()