diff --git a/Garlic.cpp b/Garlic.cpp
index df7bb1dc..f1768611 100644
--- a/Garlic.cpp
+++ b/Garlic.cpp
@@ -348,7 +348,7 @@ namespace garlic
 		buf += 2;	
 		if (tagCount > 0)
 		{	
-			decryption->SetTagCount (tagCount);
+			decryption->AddTagCount (tagCount);
 			for (int i = 0; i < tagCount; i++)
 				m_SessionTags[SessionTag(buf + i*32)] = decryption;	
 		}	
diff --git a/Garlic.h b/Garlic.h
index f2c08fb4..98df8f6f 100644
--- a/Garlic.h
+++ b/Garlic.h
@@ -80,7 +80,8 @@ namespace garlic
 				public:
 
 					SessionDecryption (): m_TagCount (0) {};
-					void SetTagCount (int tagCount) { m_TagCount = tagCount; };	
+					void SetTagCount (int tagCount) { m_TagCount = tagCount; };
+					void AddTagCount (int tagCount) { m_TagCount += tagCount; };
 					int GetTagCount () const { return m_TagCount; };
 					bool UseTag () { m_TagCount--; return m_TagCount > 0; };