diff --git a/java-diff-utils/src/main/java/com/github/difflib/unifieddiff/UnifiedDiffReader.java b/java-diff-utils/src/main/java/com/github/difflib/unifieddiff/UnifiedDiffReader.java
index 61e1aa4..9be9b0f 100644
--- a/java-diff-utils/src/main/java/com/github/difflib/unifieddiff/UnifiedDiffReader.java
+++ b/java-diff-utils/src/main/java/com/github/difflib/unifieddiff/UnifiedDiffReader.java
@@ -15,8 +15,12 @@
  */
 package com.github.difflib.unifieddiff;
 
+import com.github.difflib.patch.AbstractDelta;
 import com.github.difflib.patch.ChangeDelta;
 import com.github.difflib.patch.Chunk;
+import com.github.difflib.patch.DeleteDelta;
+import com.github.difflib.patch.EqualDelta;
+import com.github.difflib.patch.InsertDelta;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -300,11 +304,29 @@ private void processSimilarityIndex(MatchResult match, String line) {
 
 		private void finalizeChunk() {
 				if (!originalTxt.isEmpty() || !revisedTxt.isEmpty()) {
-						actualFile
-										.getPatch()
-										.addDelta(new ChangeDelta<>(
-														new Chunk<>(old_ln - 1, originalTxt, delLineIdxList),
-														new Chunk<>(new_ln - 1, revisedTxt, addLineIdxList)));
+						boolean hasDeletes = !delLineIdxList.isEmpty();
+						boolean hasInserts = !addLineIdxList.isEmpty();
+						boolean hasContext =
+										originalTxt.size() != delLineIdxList.size() || revisedTxt.size() != addLineIdxList.size();
+						AbstractDelta<String> delta;
+						if (hasContext || (hasDeletes && hasInserts)) {
+								delta = new ChangeDelta<>(
+												new Chunk<>(old_ln - 1, originalTxt, delLineIdxList),
+												new Chunk<>(new_ln - 1, revisedTxt, addLineIdxList));
+						} else if (hasDeletes) {
+								delta = new DeleteDelta<>(
+												new Chunk<>(old_ln - 1, originalTxt, delLineIdxList),
+												new Chunk<>(new_ln - 1, revisedTxt, addLineIdxList));
+						} else if (hasInserts) {
+								delta = new InsertDelta<>(
+												new Chunk<>(old_ln - 1, originalTxt, delLineIdxList),
+												new Chunk<>(new_ln - 1, revisedTxt, addLineIdxList));
+						} else {
+								delta = new EqualDelta<>(
+												new Chunk<>(old_ln - 1, originalTxt, delLineIdxList),
+												new Chunk<>(new_ln - 1, revisedTxt, addLineIdxList));
+						}
+						actualFile.getPatch().addDelta(delta);
 						old_ln = 0;
 						new_ln = 0;
 						originalTxt.clear();
diff --git a/java-diff-utils/src/test/java/com/github/difflib/unifieddiff/UnifiedDiffReaderTest.java b/java-diff-utils/src/test/java/com/github/difflib/unifieddiff/UnifiedDiffReaderTest.java
index fc272ed..ee7e1d9 100644
--- a/java-diff-utils/src/test/java/com/github/difflib/unifieddiff/UnifiedDiffReaderTest.java
+++ b/java-diff-utils/src/test/java/com/github/difflib/unifieddiff/UnifiedDiffReaderTest.java
@@ -275,7 +275,7 @@ public void testParseIssue104() throws IOException {
 				assertThat(file.getToFile()).isEqualTo("doc/samba_data_tool_path.xml.in");
 
 				assertThat(file.getPatch().toString())
-								.isEqualTo("Patch{deltas=[[ChangeDelta, position: 0, lines: [] to [@SAMBA_DATA_TOOL@]]]}");
+								.isEqualTo("Patch{deltas=[[InsertDelta, position: 0, lines: [@SAMBA_DATA_TOOL@]]]}");
 
 				assertThat(diff.getTail()).isEqualTo("2.14.4");
 		}