diff --git a/web/src/routes/backOffice/containers/list/containersStore.ts b/web/src/routes/backOffice/containers/list/containersStore.ts
index e066826f..20bcb696 100644
--- a/web/src/routes/backOffice/containers/list/containersStore.ts
+++ b/web/src/routes/backOffice/containers/list/containersStore.ts
@@ -123,7 +123,7 @@ async function getContainers(
 				sort: "createdAt",
 				order: "desc",
 				category,
-				locationName: location,
+				locationName: location || undefined,
 			},
 		},
 	});
diff --git a/web/src/routes/backOffice/employees/list/employeesStore.ts b/web/src/routes/backOffice/employees/list/employeesStore.ts
index e43feade..6ce90111 100644
--- a/web/src/routes/backOffice/employees/list/employeesStore.ts
+++ b/web/src/routes/backOffice/employees/list/employeesStore.ts
@@ -156,8 +156,8 @@ async function getEmployees(
 				limit: DEFAULT_PAGE_SIZE,
 				sort,
 				order,
-				username,
 				role,
+				username: username || undefined,
 			},
 		},
 	});
diff --git a/web/src/routes/backOffice/landfills/list/landfillsStore.ts b/web/src/routes/backOffice/landfills/list/landfillsStore.ts
index 65b167fa..475a5890 100644
--- a/web/src/routes/backOffice/landfills/list/landfillsStore.ts
+++ b/web/src/routes/backOffice/landfills/list/landfillsStore.ts
@@ -100,7 +100,7 @@ async function getLandfills(
 				limit: DEFAULT_PAGE_SIZE,
 				sort: "createdAt",
 				order: "desc",
-				locationName: location,
+				locationName: location || undefined,
 			},
 		},
 	});
diff --git a/web/src/routes/backOffice/routes/list/routesStore.ts b/web/src/routes/backOffice/routes/list/routesStore.ts
index be0db180..a78d3ac8 100644
--- a/web/src/routes/backOffice/routes/list/routesStore.ts
+++ b/web/src/routes/backOffice/routes/list/routesStore.ts
@@ -93,7 +93,7 @@ async function getRoutes(filters: RoutesFilters): Promise<PaginatedRoutes> {
 				limit: DEFAULT_PAGE_SIZE,
 				sort: "createdAt",
 				order: "desc",
-				name: route,
+				name: route || undefined,
 			},
 		},
 	});
diff --git a/web/src/routes/backOffice/trucks/list/trucksStore.ts b/web/src/routes/backOffice/trucks/list/trucksStore.ts
index 9f75e9c2..0df420b5 100644
--- a/web/src/routes/backOffice/trucks/list/trucksStore.ts
+++ b/web/src/routes/backOffice/trucks/list/trucksStore.ts
@@ -137,7 +137,7 @@ async function getTrucks(filters: TrucksFilters): Promise<PaginatedTrucks> {
 				limit: DEFAULT_PAGE_SIZE,
 				sort,
 				order,
-				licensePlate,
+				licensePlate: licensePlate || undefined,
 			},
 		},
 	});
diff --git a/web/src/routes/backOffice/warehouses/list/warehousesStore.ts b/web/src/routes/backOffice/warehouses/list/warehousesStore.ts
index 53d29af1..1baee48c 100644
--- a/web/src/routes/backOffice/warehouses/list/warehousesStore.ts
+++ b/web/src/routes/backOffice/warehouses/list/warehousesStore.ts
@@ -141,7 +141,7 @@ async function getWarehouses(
 				limit: DEFAULT_PAGE_SIZE,
 				sort,
 				order,
-				locationName: location,
+				locationName: location || undefined,
 			},
 		},
 	});