diff --git a/Cargo.toml b/Cargo.toml
index ec977e9..bfaa860 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "someip_parse"
-version = "0.6.1"
+version = "0.6.2"
 edition = "2021"
 rust-version = "1.60"
 authors = ["Julian Schmid <info@julianschmid.name>"]
diff --git a/examples/count_messages_by_id.rs b/examples/count_messages_by_id.rs
index 238f2b4..ddcbc1c 100644
--- a/examples/count_messages_by_id.rs
+++ b/examples/count_messages_by_id.rs
@@ -104,7 +104,7 @@ struct Stats {
 }
 
 #[derive(Debug)]
-enum Error {
+pub enum Error {
     IoError(std::io::Error),
     PcapError(rpcap::PcapError),
 }
diff --git a/examples/print_messages.rs b/examples/print_messages.rs
index 9de51cc..7bd5ae1 100644
--- a/examples/print_messages.rs
+++ b/examples/print_messages.rs
@@ -54,7 +54,7 @@ fn main() -> Result<(), Error> {
 }
 
 #[derive(Debug)]
-enum Error {
+pub enum Error {
     IoError(std::io::Error),
     PcapError(rpcap::PcapError),
 }
diff --git a/proptest-regressions/someip_header.txt b/proptest-regressions/someip_header.txt
index d879574..4c8ab64 100644
--- a/proptest-regressions/someip_header.txt
+++ b/proptest-regressions/someip_header.txt
@@ -1 +1,2 @@
 cc ba538a3dd744b011673fdb42ef76a3b4f53f5c21fc1f42d044f9ca7d53ec720b
+cc 04f8332adeb3f83b7ad83f10f8e0da57af3ff865568e2bd7a61ed38b28616e2
diff --git a/src/lib.rs b/src/lib.rs
index 02b24c6..1852b70 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,7 +126,7 @@ pub const SOMEIP_LEN_OFFSET_TO_PAYLOAD: u32 = 4 * 2; // 2x 32bits
 
 ///Maximum payload length supported by some ip. This is NOT the maximum length that is supported when
 ///sending packets over UDP. This constant is based on the limitation of the length field data type (uint32).
-pub const SOMEIP_MAX_PAYLOAD_LEN: u32 = std::u32::MAX - SOMEIP_LEN_OFFSET_TO_PAYLOAD;
+pub const SOMEIP_MAX_PAYLOAD_LEN: u32 = u32::MAX - SOMEIP_LEN_OFFSET_TO_PAYLOAD;
 
 /// The maximum payload size of an SOMEIP UDP message.
 ///
diff --git a/src/sd.rs b/src/sd.rs
index 1197662..fd3c986 100644
--- a/src/sd.rs
+++ b/src/sd.rs
@@ -331,7 +331,10 @@ impl SdHeader {
 
     #[inline]
     #[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
-    pub fn read_with_flag<T: Read + Seek>(reader: &mut T, discard_unknown_option: bool) -> Result<Self, SdReadError> {
+    pub fn read_with_flag<T: Read + Seek>(
+        reader: &mut T,
+        discard_unknown_option: bool,
+    ) -> Result<Self, SdReadError> {
         const HEADER_LENGTH: usize = 1 + 3 + 4; // flags + rev + entries length
         let mut header_bytes: [u8; HEADER_LENGTH] = [0; HEADER_LENGTH];
         reader.read_exact(&mut header_bytes)?;
@@ -958,7 +961,10 @@ impl SdOption {
 
     /// Read the value from a [`std::io::Read`] source.
     #[inline]
-    pub fn read_with_flag<T: Read + Seek>(reader: &mut T, discard_unknown_option: bool) -> Result<(u16, Self), SdReadError> {
+    pub fn read_with_flag<T: Read + Seek>(
+        reader: &mut T,
+        discard_unknown_option: bool,
+    ) -> Result<(u16, Self), SdReadError> {
         use self::sd_options::*;
         use self::SdOption::*;
         use SdReadError::*;
@@ -1602,6 +1608,21 @@ mod tests_sd_option {
             let result = SdOption::read(&mut cursor);
             assert_matches!(result, Err(SdReadError::UnknownSdOptionType(0xFF)));
         }
+        // unknown option type (non discardable, discard option set)
+        {
+            let buffer = [0x00, 0x01, 0xff, 0x00];
+            let mut cursor = std::io::Cursor::new(buffer);
+            let (len, header) = SdOption::read_with_flag(&mut cursor, true).unwrap();
+            assert_eq!(
+                header,
+                UnknownDiscardableOption {
+                    length: 1,
+                    option_type: 0xff,
+                }
+                .into()
+            );
+            assert_eq!(4, len);
+        }
         // unknown option type (discardable)
         {
             let buffer = [0x00, 0x01, 0xff, 0b1000_0000];
diff --git a/src/someip_header.rs b/src/someip_header.rs
index 2c2bd10..82215a6 100644
--- a/src/someip_header.rs
+++ b/src/someip_header.rs
@@ -567,7 +567,7 @@ mod tests {
             header.set_method_or_event_id(id);
 
             assert_eq!(id, header.event_or_method_id());
-            assert_eq!(id > 0x8000, header.is_event());
+            assert_eq!(id >= 0x8000, header.is_event());
 
             //serialize and check the slice methods
             let mut buffer = Vec::new();
@@ -575,7 +575,7 @@ mod tests {
             buffer.write(&packet.1[..]).unwrap();
             let slice = SomeipMsgSlice::from_slice(&buffer[..]).unwrap();
 
-            assert_eq!(id > 0x8000, slice.is_event());
+            assert_eq!(id >= 0x8000, slice.is_event());
             assert_eq!(id, slice.event_or_method_id());
         }
     }