diff --git a/src/modules/registratura/components/registry-entry-detail.tsx b/src/modules/registratura/components/registry-entry-detail.tsx
index 3982328..2233c27 100644
--- a/src/modules/registratura/components/registry-entry-detail.tsx
+++ b/src/modules/registratura/components/registry-entry-detail.tsx
@@ -177,26 +177,16 @@ export function RegistryEntryDetail({
     setTimeout(() => setCopiedPath(null), 2000);
   }, []);
 
-  if (!entry) return null;
-
-  const dir = DIRECTION_CONFIG[entry.direction] ?? DIRECTION_CONFIG.intrat;
-  const DirIcon = dir.icon;
-  const status = STATUS_CONFIG[entry.status] ?? STATUS_CONFIG.deschis;
-
-  const overdueDays =
-    entry.status === "deschis" ? getOverdueDays(entry.deadline) : null;
-  const isOverdue = overdueDays !== null && overdueDays > 0;
-
-  const threadParent = entry.threadParentId
-    ? allEntries.find((e) => e.id === entry.threadParentId)
-    : null;
-  const threadChildren = allEntries.filter(
-    (e) => e.threadParentId === entry.id,
-  );
-
-  // Build full chain for mini flow diagram
+  // Build full chain for mini flow diagram (must be before early return to keep hook order stable)
   const threadChain = useMemo(() => {
-    if (!threadParent && threadChildren.length === 0) return [];
+    if (!entry) return [];
+    const threadParentEntry = entry.threadParentId
+      ? allEntries.find((e) => e.id === entry.threadParentId)
+      : null;
+    const threadChildEntries = allEntries.filter(
+      (e) => e.threadParentId === entry.id,
+    );
+    if (!threadParentEntry && threadChildEntries.length === 0) return [];
     const byId = new Map(allEntries.map((e) => [e.id, e]));
     // Walk up to root
     let root = entry;
@@ -222,7 +212,24 @@ export function RegistryEntryDetail({
     }
     chain.sort((a, b) => a.date.localeCompare(b.date));
     return chain;
-  }, [entry, threadParent, threadChildren, allEntries]);
+  }, [entry, allEntries]);
+
+  if (!entry) return null;
+
+  const dir = DIRECTION_CONFIG[entry.direction] ?? DIRECTION_CONFIG.intrat;
+  const DirIcon = dir.icon;
+  const status = STATUS_CONFIG[entry.status] ?? STATUS_CONFIG.deschis;
+
+  const overdueDays =
+    entry.status === "deschis" ? getOverdueDays(entry.deadline) : null;
+  const isOverdue = overdueDays !== null && overdueDays > 0;
+
+  const threadParent = entry.threadParentId
+    ? allEntries.find((e) => e.id === entry.threadParentId)
+    : null;
+  const threadChildren = allEntries.filter(
+    (e) => e.threadParentId === entry.id,
+  );
 
   return (
     <Sheet open={open} onOpenChange={onOpenChange}>