diff --git a/src/fediblockhole/__init__.py b/src/fediblockhole/__init__.py
index b9441a5..c1f0c2a 100755
--- a/src/fediblockhole/__init__.py
+++ b/src/fediblockhole/__init__.py
@@ -286,8 +286,8 @@ def merge_comments(oldcomment:str, newcomment:str) -> str:
     if oldcomment in ['', None] and newcomment in ['', None]:
         return ''
 
-    # If both comments are the same, don't merge
-    if oldcomment == newcomment:
+    # If both comments are the same, or new comment is empty, don't merge
+    if oldcomment == newcomment or newcomment in ['', None]:
         return oldcomment
 
     # We want to skip duplicate fragments so we don't end up