diff --git a/.gitignore b/.gitignore
index 946997d..eec901c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -143,3 +143,4 @@ manage-patchmon.sh
 setup-installer-site.sh
 install-server.*
 notify-clients-upgrade.sh
+debug-agent.sh
diff --git a/backend/src/routes/hostRoutes.js b/backend/src/routes/hostRoutes.js
index 7b15beb..289ef11 100644
--- a/backend/src/routes/hostRoutes.js
+++ b/backend/src/routes/hostRoutes.js
@@ -332,15 +332,34 @@ router.post('/update', validateApiCredentials, [
             });
           }
 
-          // Create host repository relationship
-          await tx.hostRepository.create({
-            data: {
-              hostId: host.id,
-              repositoryId: repo.id,
-              isEnabled: repoData.isEnabled !== false, // Default to enabled
-              lastChecked: new Date()
+          // Create host repository relationship (handle duplicates gracefully)
+          try {
+            await tx.hostRepository.create({
+              data: {
+                hostId: host.id,
+                repositoryId: repo.id,
+                isEnabled: repoData.isEnabled !== false, // Default to enabled
+                lastChecked: new Date()
+              }
+            });
+          } catch (error) {
+            // If it's a duplicate constraint error, update the existing record
+            if (error.code === 'P2002') {
+              await tx.hostRepository.updateMany({
+                where: {
+                  hostId: host.id,
+                  repositoryId: repo.id
+                },
+                data: {
+                  isEnabled: repoData.isEnabled !== false,
+                  lastChecked: new Date()
+                }
+              });
+            } else {
+              // Re-throw other errors
+              throw error;
             }
-          });
+          }
         }
       }
     });