diff --git a/src/main/java/org/gridsuite/modification/server/entities/ModificationEntity.java b/src/main/java/org/gridsuite/modification/server/entities/ModificationEntity.java
index 9884cb5e6..a74df78d7 100644
--- a/src/main/java/org/gridsuite/modification/server/entities/ModificationEntity.java
+++ b/src/main/java/org/gridsuite/modification/server/entities/ModificationEntity.java
@@ -62,7 +62,7 @@ public class ModificationEntity {
     @Column(name = "message_values")
     private String messageValues;
 
-    @Column(name = "activated")
+    @Column(name = "activated", columnDefinition = "boolean default true")
     private Boolean activated = true;
 
     public ModificationEntity(UUID id, String type, Instant date, Boolean stashed, Boolean activated, String messageType, String messageValues) {
diff --git a/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/BalancesAdjustmentEntity.java b/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/BalancesAdjustmentEntity.java
index 7db0c7c6a..a436b7899 100644
--- a/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/BalancesAdjustmentEntity.java
+++ b/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/BalancesAdjustmentEntity.java
@@ -46,16 +46,16 @@ public class BalancesAdjustmentEntity extends ModificationEntity {
     @Enumerated(EnumType.STRING)
     private LoadFlowParameters.BalanceType balanceType = DEFAULT_BALANCE_TYPE;
 
-    @Column(name = "with_load_flow")
+    @Column(name = "with_load_flow", columnDefinition = "boolean default " + DEFAULT_WITH_LOAD_FLOW)
     private boolean withLoadFlow = DEFAULT_WITH_LOAD_FLOW;
 
     @Column(name = "load_flow_parameters_id")
     private UUID loadFlowParametersId;
 
-    @Column(name = "with_ratio_tap_changers")
+    @Column(name = "with_ratio_tap_changers", columnDefinition = "boolean default " + DEFAULT_WITH_RATIO_TAP_CHANGERS)
     private boolean withRatioTapChangers = DEFAULT_WITH_RATIO_TAP_CHANGERS;
 
-    @Column(name = "subtract_load_flow_balancing")
+    @Column(name = "subtract_load_flow_balancing", columnDefinition = "boolean default " + DEFAULT_SUBTRACT_LOAD_FLOW_BALANCING)
     private boolean subtractLoadFlowBalancing = DEFAULT_SUBTRACT_LOAD_FLOW_BALANCING;
 
     @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
diff --git a/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/GenerationDispatchEntity.java b/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/GenerationDispatchEntity.java
index 357d2adc8..d315f21f6 100644
--- a/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/GenerationDispatchEntity.java
+++ b/src/main/java/org/gridsuite/modification/server/entities/equipment/modification/GenerationDispatchEntity.java
@@ -56,11 +56,11 @@ public class GenerationDispatchEntity extends ModificationEntity {
     private List<GeneratorsFilterEmbeddable> generatorsWithFixedSupply;
 
     @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
-    @OrderColumn(name = "pos_generators_frequency")
+    @OrderColumn(name = "pos_generators_frequency", nullable = false, columnDefinition = "integer default 0")
     private List<GeneratorsFrequencyReserveEntity> generatorsFrequencyReserve;
 
     @OneToMany(cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.LAZY)
-    @OrderColumn(name = "pos_generators_ordering")
+    @OrderColumn(name = "pos_generators_ordering", nullable = false, columnDefinition = "integer default 0")
     private List<GeneratorsOrderingEntity> generatorsOrdering;
 
     public GenerationDispatchEntity(@NotNull GenerationDispatchInfos generationDispatchInfos) {