diff --git a/SWCompression.xcodeproj/project.pbxproj b/SWCompression.xcodeproj/project.pbxproj
index 597d57dc..e160e762 100644
--- a/SWCompression.xcodeproj/project.pbxproj
+++ b/SWCompression.xcodeproj/project.pbxproj
@@ -63,6 +63,7 @@
 		06955E491F65C761004D5D79 /* BZip2+Lengths.swift in Sources */ = {isa = PBXBuildFile; fileRef = 06955E481F65C761004D5D79 /* BZip2+Lengths.swift */; };
 		0698B10B2104E11200A7C551 /* test_gnu_inc_format.tar in Resources */ = {isa = PBXBuildFile; fileRef = 0698B10A2104E11200A7C551 /* test_gnu_inc_format.tar */; };
 		0698B10D2106136500A7C551 /* test_big_num_field.tar in Resources */ = {isa = PBXBuildFile; fileRef = 0698B10C2106136500A7C551 /* test_big_num_field.tar */; };
+		0698B10F2106344200A7C551 /* test_negative_mtime.tar in Resources */ = {isa = PBXBuildFile; fileRef = 0698B10E2106344200A7C551 /* test_negative_mtime.tar */; };
 		069AC20D1E02DB1D0041AC13 /* LZMA.swift in Sources */ = {isa = PBXBuildFile; fileRef = 069AC20C1E02DB1D0041AC13 /* LZMA.swift */; };
 		069D0FF01E0D6CB600D8AA87 /* LZMARangeDecoder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 069D0FEF1E0D6CB600D8AA87 /* LZMARangeDecoder.swift */; };
 		069D0FF51E0D6CD000D8AA87 /* LZMABitTreeDecoder.swift in Sources */ = {isa = PBXBuildFile; fileRef = 069D0FF41E0D6CD000D8AA87 /* LZMABitTreeDecoder.swift */; };
@@ -273,6 +274,7 @@
 		06955E481F65C761004D5D79 /* BZip2+Lengths.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "BZip2+Lengths.swift"; sourceTree = "<group>"; };
 		0698B10A2104E11200A7C551 /* test_gnu_inc_format.tar */ = {isa = PBXFileReference; lastKnownFileType = archive.tar; path = test_gnu_inc_format.tar; sourceTree = "<group>"; };
 		0698B10C2106136500A7C551 /* test_big_num_field.tar */ = {isa = PBXFileReference; lastKnownFileType = archive.tar; path = test_big_num_field.tar; sourceTree = "<group>"; };
+		0698B10E2106344200A7C551 /* test_negative_mtime.tar */ = {isa = PBXFileReference; lastKnownFileType = archive.tar; path = test_negative_mtime.tar; sourceTree = "<group>"; };
 		069AC20C1E02DB1D0041AC13 /* LZMA.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = LZMA.swift; path = Sources/LZMA/LZMA.swift; sourceTree = SOURCE_ROOT; };
 		069D0FEF1E0D6CB600D8AA87 /* LZMARangeDecoder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LZMARangeDecoder.swift; sourceTree = "<group>"; };
 		069D0FF41E0D6CD000D8AA87 /* LZMABitTreeDecoder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LZMABitTreeDecoder.swift; sourceTree = "<group>"; };
@@ -762,6 +764,7 @@
 				064D01AA20FD077D00CAE058 /* test_unicode_ustar.tar */,
 				0698B10A2104E11200A7C551 /* test_gnu_inc_format.tar */,
 				0698B10C2106136500A7C551 /* test_big_num_field.tar */,
+				0698B10E2106344200A7C551 /* test_negative_mtime.tar */,
 			);
 			path = TAR;
 			sourceTree = "<group>";
@@ -991,6 +994,7 @@
 				06F066401FFB763400312A82 /* test_zip_bzip2.zip in Resources */,
 				06F066461FFB763400312A82 /* test_empty_file.zip in Resources */,
 				06F066331FFB763400312A82 /* random_file.zlib in Resources */,
+				0698B10F2106344200A7C551 /* test_negative_mtime.tar in Resources */,
 				06F066561FFB763400312A82 /* SWCompressionSourceCode.tar in Resources */,
 				06F0663D1FFB763400312A82 /* test2.xz in Resources */,
 				06F066351FFB763400312A82 /* test5.xz in Resources */,
diff --git a/Tests/TarTests.swift b/Tests/TarTests.swift
index 44fd07ff..f86bb13e 100644
--- a/Tests/TarTests.swift
+++ b/Tests/TarTests.swift
@@ -333,4 +333,28 @@ class TarTests: XCTestCase {
         XCTAssertNil(entries[0].comment)
     }
 
+    func testNegativeMtime() throws {
+        guard let testData = Constants.data(forTest: "test_negative_mtime", withType: TarTests.testType) else {
+            XCTFail("Unable to get test data.")
+            return
+        }
+
+        XCTAssertEqual(try TarContainer.formatOf(container: testData), .gnu)
+
+        let entries = try TarContainer.open(container: testData)
+
+        XCTAssertEqual(entries.count, 1)
+        XCTAssertEqual(entries[0].info.name, "file")
+        XCTAssertEqual(entries[0].info.type, .regular)
+        XCTAssertEqual(entries[0].info.size, 27)
+        XCTAssertEqual(entries[0].info.ownerID, 501)
+        XCTAssertEqual(entries[0].info.groupID, 20)
+        XCTAssertEqual(entries[0].info.ownerUserName, "timofeysolomko")
+        XCTAssertEqual(entries[0].info.ownerGroupName, "staff")
+        XCTAssertEqual(entries[0].info.permissions, Permissions(rawValue: 420))
+        XCTAssertEqual(entries[0].info.modificationTime, Date(timeIntervalSince1970: -313006414))
+        XCTAssertNil(entries[0].info.comment)
+        XCTAssertEqual(entries[0].data, "File with negative mtime.\n\n".data(using: .utf8))
+    }
+
 }
diff --git a/Tests/Test Files b/Tests/Test Files
index c1331d1c..88435326 160000
--- a/Tests/Test Files	
+++ b/Tests/Test Files	
@@ -1 +1 @@
-Subproject commit c1331d1c9387247bc9969a888e42fbcf2520e940
+Subproject commit 884353269cadc75be3fcda6b399e7e3969b748fe