diff --git a/build.gradle.kts b/build.gradle.kts
index c90a3c77d..54d21f454 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,7 +16,7 @@ java {
 
 allprojects {
     group = "fr.insee.eno"
-    version = "3.29.0"
+    version = "3.29.1-SNAPSHOT"
 }
 
 subprojects {
diff --git a/eno-core/src/main/java/fr/insee/eno/core/model/question/DynamicTableQuestion.java b/eno-core/src/main/java/fr/insee/eno/core/model/question/DynamicTableQuestion.java
index 6688a126b..d7beef5f3 100644
--- a/eno-core/src/main/java/fr/insee/eno/core/model/question/DynamicTableQuestion.java
+++ b/eno-core/src/main/java/fr/insee/eno/core/model/question/DynamicTableQuestion.java
@@ -1,5 +1,6 @@
 package fr.insee.eno.core.model.question;
 
+import fr.insee.ddi.lifecycle33.datacollection.GridDimensionType;
 import fr.insee.ddi.lifecycle33.datacollection.QuestionGridType;
 import fr.insee.ddi.lifecycle33.reusable.CommandCodeType;
 import fr.insee.ddi.lifecycle33.reusable.CommandType;
@@ -92,22 +93,20 @@ public class DynamicTableQuestion extends MultipleResponseQuestion implements En
     List<CellLabel> cellLabels = new ArrayList<>();
 
     public static CommandType mapDDISizeExpression(QuestionGridType ddiDynamicTableQuestion) {
-        checkRank1Dimension(ddiDynamicTableQuestion);
-        CommandCodeType conditionForContinuation = ddiDynamicTableQuestion.getGridDimensionArray(0).getRoster()
-                .getConditionForContinuation();
+        GridDimensionType rank1Dimension = checkRank1Dimension(ddiDynamicTableQuestion);
+        CommandCodeType conditionForContinuation = rank1Dimension.getRoster().getConditionForContinuation();
         if (conditionForContinuation == null)
             return null;
         return conditionForContinuation.getCommandArray(0);
     }
 
-    private static void checkRank1Dimension(QuestionGridType ddiDynamicTableQuestion) {
-        boolean hasRank1Dimension = ddiDynamicTableQuestion.getGridDimensionList().stream()
-                .filter(gridDimensionType -> gridDimensionType.getRank() != null)
-                .anyMatch(gridDimensionType -> 1 == gridDimensionType.getRank().intValue());
-        if (! hasRank1Dimension)
-            throw new IllegalDDIElementException(
-                    "DDI dynamic table question '" + ddiDynamicTableQuestion.getIDArray(0).getStringValue() +
-                            "' has no rank 1 dimension.");
+    private static GridDimensionType checkRank1Dimension(QuestionGridType ddiDynamicTableQuestion) {
+        return ddiDynamicTableQuestion.getGridDimensionList().stream()
+                .filter(gridDimensionType -> BigInteger.ONE.equals(gridDimensionType.getRank()))
+                .findAny()
+                .orElseThrow(() -> new IllegalDDIElementException(
+                        "DDI dynamic table question '" + ddiDynamicTableQuestion.getIDArray(0).getStringValue() +
+                                "' has no rank 1 dimension."));
     }
 
 }
diff --git a/eno-core/src/main/java/fr/insee/eno/core/processing/out/steps/lunatic/table/DynamicTableQuestionProcessing.java b/eno-core/src/main/java/fr/insee/eno/core/processing/out/steps/lunatic/table/DynamicTableQuestionProcessing.java
index a81f36fcd..9f07c2219 100644
--- a/eno-core/src/main/java/fr/insee/eno/core/processing/out/steps/lunatic/table/DynamicTableQuestionProcessing.java
+++ b/eno-core/src/main/java/fr/insee/eno/core/processing/out/steps/lunatic/table/DynamicTableQuestionProcessing.java
@@ -52,12 +52,12 @@ else if (enoTable.getSizeExpression() != null)
     private static void setMinMaxProperties(DynamicTableQuestion enoTable, LinesRoster lines) {
         LabelType minLabel = new LabelType();
         minLabel.setType(LabelTypeEnum.VTL);
-        minLabel.setValue(Integer.toString(enoTable.getMinLines().intValue()));
+        minLabel.setValue(enoTable.getMinLines().toString());
         lines.setMin(minLabel);
 
         LabelType maxLabel = new LabelType();
         maxLabel.setType(LabelTypeEnum.VTL);
-        maxLabel.setValue(Integer.toString(enoTable.getMaxLines().intValue()));
+        maxLabel.setValue(enoTable.getMaxLines().toString());
         lines.setMax(maxLabel);
     }