diff --git a/graphify/report.py b/graphify/report.py
index 0f1c5e709..ac854a2e6 100644
--- a/graphify/report.py
+++ b/graphify/report.py
@@ -161,13 +161,18 @@ def generate(
     non_empty = {cid: nodes for cid, nodes in communities.items()
                  if any(not _ifn(G, n) for n in nodes)}
     # One predicate for every figure the report prints about itself (#3148):
-    # "thin" is 0 < real < min_community_size, and "shown" is what the render
-    # loop below actually renders (real >= min_community_size) - previously
-    # shown was total-thin, which also counted communities with ZERO real
-    # nodes that the loop skips, overstating the count (#2129's residual).
+    # "thin" is real < min_community_size (ZERO real nodes included), and
+    # "shown" is what the render loop below actually renders (real >=
+    # min_community_size) - previously shown was total-thin, which also
+    # counted communities with ZERO real nodes that the loop skips,
+    # overstating the count (#2129's residual). A subsequent `0 <` guard on
+    # "thin" fixed that overcount but introduced the opposite gap: an
+    # all-file-node community (real == 0) is skipped by the SAME render loop
+    # yet was excluded from "thin" too, so it went uncounted anywhere and
+    # `shown + thin` silently undercounted `len(communities)` (#3548).
     thin_count_summary = sum(
         1 for nodes in communities.values()
-        if 0 < _real_count(nodes) < min_community_size
+        if _real_count(nodes) < min_community_size
     )
     shown_count = sum(
         1 for nodes in communities.values()
@@ -314,10 +319,12 @@ def generate(
     # Same threshold the Summary and Communities headers used (#3148): this
     # was a hardcoded 3, so with --min-community-size anything else the count
     # here disagreed with the label text beside it, which already printed
-    # min_community_size.
+    # min_community_size. No `0 <` guard, matching thin_count_summary above
+    # (#3548): an all-file-node community is skipped by the same render loop
+    # as a genuinely thin one, so it belongs in this count too.
     thin_communities = {
         cid: nodes for cid, nodes in communities.items()
-        if 0 < sum(1 for n in nodes if not _is_file_node(G, n)) < min_community_size
+        if sum(1 for n in nodes if not _is_file_node(G, n)) < min_community_size
     }
     gap_count = len(isolated) + len(thin_communities)