diff --git a/src/fsfw/tmtcservices/SourceSequenceCounter.h b/src/fsfw/tmtcservices/SourceSequenceCounter.h
index 53547e08..6f2778a4 100644
--- a/src/fsfw/tmtcservices/SourceSequenceCounter.h
+++ b/src/fsfw/tmtcservices/SourceSequenceCounter.h
@@ -23,13 +23,15 @@ class SourceSequenceCounter {
     this->increment();
     return *this;
   }
+  SourceSequenceCounter& operator--(int) {
+    this->decrement();
+    return *this;
+  }
   SourceSequenceCounter& operator=(const uint16_t& newCount) {
     sequenceCount = newCount;
     return *this;
   }
-  operator uint16_t() {
-      return this->get();
-  }
+  operator uint16_t() { return this->get(); }
 };
 
 #endif /* FSFW_TMTCSERVICES_SOURCESEQUENCECOUNTER_H_ */