diff --git a/src/main/java/org/gridsuite/modification/server/dto/ByFilterDeletionInfos.java b/src/main/java/org/gridsuite/modification/server/dto/ByFilterDeletionInfos.java
index 4c54400ff..37e91884b 100644
--- a/src/main/java/org/gridsuite/modification/server/dto/ByFilterDeletionInfos.java
+++ b/src/main/java/org/gridsuite/modification/server/dto/ByFilterDeletionInfos.java
@@ -10,6 +10,7 @@
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import com.powsybl.commons.reporter.Reporter;
 import com.powsybl.commons.reporter.ReporterModel;
+import com.powsybl.iidm.network.IdentifiableType;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -38,7 +39,7 @@
 @ModificationErrorTypeName("BY_FILTER_DELETION_ERROR")
 public class ByFilterDeletionInfos extends ModificationInfos {
     @Schema(description = "Equipment type")
-    private String equipmentType;
+    private IdentifiableType equipmentType;
 
     @Schema(description = "List of filters")
     @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -62,7 +63,7 @@ public Reporter createSubReporter(ReporterModel reporter) {
     @Override
     public Map<String, String> getMapMessageValues() {
         Map<String, String> mapMessageValues = new HashMap<>();
-        mapMessageValues.put("equipmentType", getEquipmentType());
+        mapMessageValues.put("equipmentType", getEquipmentType().name());
         return mapMessageValues;
     }
 }
diff --git a/src/main/java/org/gridsuite/modification/server/entities/equipment/deletion/ByFilterDeletionEntity.java b/src/main/java/org/gridsuite/modification/server/entities/equipment/deletion/ByFilterDeletionEntity.java
index cff8826eb..8f9093db7 100644
--- a/src/main/java/org/gridsuite/modification/server/entities/equipment/deletion/ByFilterDeletionEntity.java
+++ b/src/main/java/org/gridsuite/modification/server/entities/equipment/deletion/ByFilterDeletionEntity.java
@@ -6,6 +6,7 @@
  */
 package org.gridsuite.modification.server.entities.equipment.deletion;
 
+import com.powsybl.iidm.network.IdentifiableType;
 import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -28,8 +29,9 @@
 @Table(name = "byFilterDeletion")
 @PrimaryKeyJoinColumn(foreignKey = @ForeignKey(name = "by_filter_deletion_id_fk_constraint"))
 public class ByFilterDeletionEntity extends ModificationEntity {
+    @Enumerated(EnumType.STRING)
     @Column(name = "equipmentType")
-    private String equipmentType;
+    private IdentifiableType equipmentType;
 
     @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
     @JoinTable(
diff --git a/src/main/java/org/gridsuite/modification/server/modifications/ByFilterDeletion.java b/src/main/java/org/gridsuite/modification/server/modifications/ByFilterDeletion.java
index ad44586c4..107bbbb04 100644
--- a/src/main/java/org/gridsuite/modification/server/modifications/ByFilterDeletion.java
+++ b/src/main/java/org/gridsuite/modification/server/modifications/ByFilterDeletion.java
@@ -85,7 +85,7 @@ public void apply(Network network, Reporter subReporter) {
             subReporter.report(Report.builder()
                     .withKey("equipmentDeleted")
                     .withDefaultMessage("equipment of type=${type} and ids=${ids} deleted")
-                    .withValue("type", modificationInfos.getEquipmentType())
+                    .withValue("type", modificationInfos.getEquipmentType().name())
                     .withValue("ids", identifiableAttributes.stream().map(IdentifiableAttributes::getId).collect(Collectors.joining(", ")))
                     .withSeverity(TypedValue.INFO_SEVERITY)
                     .build());
@@ -93,7 +93,7 @@ public void apply(Network network, Reporter subReporter) {
     }
 
     private void applyFilterDeletion(Network network, Reporter subReporter, List<IdentifiableAttributes> identifiableAttributes) {
-        IdentifiableType identifiableType = IdentifiableType.valueOf(modificationInfos.getEquipmentType());
+        IdentifiableType identifiableType = modificationInfos.getEquipmentType();
         if (CONNECTABLE_EQUIPMENTS.contains(identifiableType)) {
             identifiableAttributes.forEach(identifiableAttribute -> new RemoveFeederBay(identifiableAttribute.getId()).apply(network, true, subReporter));
         } else if (identifiableType == IdentifiableType.VOLTAGE_LEVEL) {
diff --git a/src/test/java/org/gridsuite/modification/server/modifications/byfilterdeletion/AbstractByFilterDeletionTest.java b/src/test/java/org/gridsuite/modification/server/modifications/byfilterdeletion/AbstractByFilterDeletionTest.java
index 2cacfcfad..e91c6ccd3 100644
--- a/src/test/java/org/gridsuite/modification/server/modifications/byfilterdeletion/AbstractByFilterDeletionTest.java
+++ b/src/test/java/org/gridsuite/modification/server/modifications/byfilterdeletion/AbstractByFilterDeletionTest.java
@@ -56,7 +56,7 @@ public void testCreateWithErrors() throws Exception {
 
         ByFilterDeletionInfos byFilterDeletionInfos = ByFilterDeletionInfos.builder()
                 .stashed(false)
-                .equipmentType(getIdentifiableType().toString())
+                .equipmentType(getIdentifiableType())
                 .filters(List.of(filter1))
                 .build();
 
@@ -98,7 +98,7 @@ public void testCreateAllFiltersWrong() throws Exception {
 
         ByFilterDeletionInfos byFilterDeletionInfos = ByFilterDeletionInfos.builder()
                 .stashed(false)
-                .equipmentType(getIdentifiableType().toString())
+                .equipmentType(getIdentifiableType())
                 .filters(List.of(filter1))
                 .build();
 
@@ -154,7 +154,7 @@ protected ModificationInfos buildModification() {
 
         return ByFilterDeletionInfos.builder()
                 .stashed(false)
-                .equipmentType(getIdentifiableType().toString())
+                .equipmentType(getIdentifiableType())
                 .filters(List.of(filter1, filter2))
                 .build();
     }
@@ -168,7 +168,7 @@ protected ModificationInfos buildModificationUpdate() {
 
         return ByFilterDeletionInfos.builder()
                 .stashed(false)
-                .equipmentType(getIdentifiableType().toString())
+                .equipmentType(getIdentifiableType())
                 .filters(List.of(filter2))
                 .build();
     }
@@ -178,7 +178,7 @@ protected ModificationInfos buildModificationUpdate() {
     protected void testCreationModificationMessage(ModificationInfos modificationInfos) {
         assertEquals("BY_FILTER_DELETION", modificationInfos.getMessageType());
         Map<String, String> createdValues = mapper.readValue(modificationInfos.getMessageValues(), new TypeReference<>() { });
-        assertEquals(getIdentifiableType().toString(), createdValues.get("equipmentType"));
+        assertEquals(getIdentifiableType().name(), createdValues.get("equipmentType"));
     }
 
     @Override
@@ -186,6 +186,6 @@ protected void testCreationModificationMessage(ModificationInfos modificationInf
     protected void testUpdateModificationMessage(ModificationInfos modificationInfos) {
         assertEquals("BY_FILTER_DELETION", modificationInfos.getMessageType());
         Map<String, String> createdValues = mapper.readValue(modificationInfos.getMessageValues(), new TypeReference<>() { });
-        assertEquals(getIdentifiableType().toString(), createdValues.get("equipmentType"));
+        assertEquals(getIdentifiableType().name(), createdValues.get("equipmentType"));
     }
 }