diff --git a/Sources/FileType/Supported.swift b/Sources/FileType/Supported.swift
index 165d902..5178aa8 100644
--- a/Sources/FileType/Supported.swift
+++ b/Sources/FileType/Supported.swift
@@ -1679,7 +1679,7 @@ public extension MimeType {
            return bytes[0...2] == [0x49, 0x49, 0xBC]
         }),
         .init(mime: "image/webp", type: .webp, bytesCount: 4, matches: { bytes, _ in
-           return bytes[8...11] == [0x57, 0x45, 0x42, 0x50]
+           return bytes.count > 7 && bytes[8...11] == [0x57, 0x45, 0x42, 0x50]
         }),
         .init(mime: "image/x-adobe-dng", type: .dng, bytesCount: 4, matches: { bytes, _ in
             // TODO: Implement magic number check for image/x-adobe-dng
diff --git a/Tests/FileTypeTests/FileTypeTests.swift b/Tests/FileTypeTests/FileTypeTests.swift
index e84257c..ab254b1 100644
--- a/Tests/FileTypeTests/FileTypeTests.swift
+++ b/Tests/FileTypeTests/FileTypeTests.swift
@@ -129,3 +129,8 @@ import Foundation
     }
 }
 
+@Test func testBlankTxt() async throws {
+    let data = Data([0x33, 0x2E, 0x31, 0x30, 0x2E, 0x33, 0x0A]) // emty txt file bytes
+    #expect(FileType.mimeType(data: data) == nil)
+}
+