diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0b3afe1..53786ec3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -27,6 +27,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Added
 
+- `DleParser` helper class to parse DLE encoded packets from a byte stream.
+  PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/711
 - `UioMapper` is able to resolve symlinks now.
   PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/709
 - Add new `UnsignedByteField` class
diff --git a/src/fsfw/tmtcservices/SourceSequenceCounter.h b/src/fsfw/tmtcservices/SourceSequenceCounter.h
index 43b6945c..f530b444 100644
--- a/src/fsfw/tmtcservices/SourceSequenceCounter.h
+++ b/src/fsfw/tmtcservices/SourceSequenceCounter.h
@@ -11,7 +11,7 @@ class SourceSequenceCounter {
   SourceSequenceCounter(uint16_t initialSequenceCount = 0) : sequenceCount(initialSequenceCount) {}
   void increment() { sequenceCount = (sequenceCount + 1) % (ccsds::LIMIT_SEQUENCE_COUNT); }
   void decrement() { sequenceCount = (sequenceCount - 1) % (ccsds::LIMIT_SEQUENCE_COUNT); }
-  uint16_t get() { return this->sequenceCount; }
+  uint16_t get() const { return this->sequenceCount; }
   void reset(uint16_t toValue = 0) { sequenceCount = toValue % (ccsds::LIMIT_SEQUENCE_COUNT); }
   SourceSequenceCounter& operator++(int) {
     this->increment();