diff --git a/src/db/repositories/misc.ts b/src/db/repositories/misc.ts
index 7e8f08857..865f905bd 100644
--- a/src/db/repositories/misc.ts
+++ b/src/db/repositories/misc.ts
@@ -838,6 +838,9 @@ export class MiscRepository extends BaseRepository {
       to_node: row.to_node != null ? Number(row.to_node) : row.to_node,
       relay_node: row.relay_node != null ? Number(row.relay_node) : row.relay_node,
       created_at: row.created_at != null ? Number(row.created_at) : row.created_at,
+      // PostgreSQL lowercases unquoted aliases — normalize for frontend
+      from_node_longName: row.from_node_longName ?? row.from_node_longname ?? null,
+      to_node_longName: row.to_node_longName ?? row.to_node_longname ?? null,
     } as DbPacketLog;
   }
 
diff --git a/src/db/repositories/nodes.ts b/src/db/repositories/nodes.ts
index 488dda089..7d7fcd2e5 100644
--- a/src/db/repositories/nodes.ts
+++ b/src/db/repositories/nodes.ts
@@ -164,10 +164,10 @@ export class NodesRepository extends BaseRepository {
           lastPKIPacket: this.coerceBigintField(nodeData.lastPKIPacket ?? existingNode.lastPKIPacket),
           // Don't update welcomedAt here - it's managed by markNodeAsWelcomedIfNotAlready
           // to avoid race conditions where this upsert overwrites a concurrent welcome update
-          keyIsLowEntropy: nodeData.keyIsLowEntropy ?? existingNode.keyIsLowEntropy,
-          duplicateKeyDetected: nodeData.duplicateKeyDetected ?? existingNode.duplicateKeyDetected,
-          keyMismatchDetected: nodeData.keyMismatchDetected ?? existingNode.keyMismatchDetected,
-          keySecurityIssueDetails: nodeData.keySecurityIssueDetails ?? existingNode.keySecurityIssueDetails,
+          keyIsLowEntropy: nodeData.keyIsLowEntropy !== undefined ? nodeData.keyIsLowEntropy : existingNode.keyIsLowEntropy,
+          duplicateKeyDetected: nodeData.duplicateKeyDetected !== undefined ? nodeData.duplicateKeyDetected : existingNode.duplicateKeyDetected,
+          keyMismatchDetected: nodeData.keyMismatchDetected !== undefined ? nodeData.keyMismatchDetected : existingNode.keyMismatchDetected,
+          keySecurityIssueDetails: nodeData.keySecurityIssueDetails !== undefined ? nodeData.keySecurityIssueDetails : existingNode.keySecurityIssueDetails,
           positionChannel: nodeData.positionChannel ?? existingNode.positionChannel,
           positionPrecisionBits: nodeData.positionPrecisionBits ?? existingNode.positionPrecisionBits,
           positionTimestamp: this.coerceBigintField(nodeData.positionTimestamp ?? existingNode.positionTimestamp),
diff --git a/src/server/meshtasticManager.ts b/src/server/meshtasticManager.ts
index e8d63e35c..0704078de 100644
--- a/src/server/meshtasticManager.ts
+++ b/src/server/meshtasticManager.ts
@@ -2723,7 +2723,7 @@ class MeshtasticManager {
                     logger.warn(`⚠️ Low-entropy key detected for local node ${localNodeId}!`);
                   } else {
                     updateData.keyIsLowEntropy = false;
-                    updateData.keySecurityIssueDetails = undefined;
+                    updateData.keySecurityIssueDetails = null;
                   }
 
                   await databaseService.nodes.upsertNode(updateData);
@@ -4322,7 +4322,7 @@ class MeshtasticManager {
           // Explicitly clear the flag when key is NOT low-entropy
           // This ensures that if a node regenerates their key, the flag is cleared immediately
           nodeData.keyIsLowEntropy = false;
-          nodeData.keySecurityIssueDetails = undefined;
+          nodeData.keySecurityIssueDetails = null;
         }
 
         // Check if this node had a key mismatch that is now fixed
@@ -4398,10 +4398,10 @@ class MeshtasticManager {
             }
 
             nodeData.keyMismatchDetected = false;
-            nodeData.lastMeshReceivedKey = undefined;
+            nodeData.lastMeshReceivedKey = null;
             // Don't clear keySecurityIssueDetails if there's a low-entropy issue
             if (!isLowEntropy) {
-              nodeData.keySecurityIssueDetails = undefined;
+              nodeData.keySecurityIssueDetails = null;
             }
 
             // Clear the repair state and log success
@@ -5884,7 +5884,7 @@ class MeshtasticManager {
               // Explicitly clear the flag when key is NOT low-entropy
               // This ensures that if a node regenerates their key, the flag is cleared immediately
               nodeData.keyIsLowEntropy = false;
-              nodeData.keySecurityIssueDetails = undefined;
+              nodeData.keySecurityIssueDetails = null;
             }
           }
         }
diff --git a/src/server/routes/securityRoutes.ts b/src/server/routes/securityRoutes.ts
index dc14d0b14..b1eb36f33 100644
--- a/src/server/routes/securityRoutes.ts
+++ b/src/server/routes/securityRoutes.ts
@@ -275,7 +275,7 @@ router.post('/nodes/:nodeNum/clear', requirePermission('security', 'write'), asy
       keyIsLowEntropy: false,
       duplicateKeyDetected: false,
       keyMismatchDetected: false,
-      keySecurityIssueDetails: undefined, // This will now properly clear the field
+      keySecurityIssueDetails: null, // null explicitly clears the field (undefined would preserve existing value)
     });
 
     // Clear time offset flags