diff --git a/CHANGELOG.md b/CHANGELOG.md
index 89c2d694..a1be39c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 # Changelog
+## 1.12.2 [TODO]
+### Fixed
+- Scientific notation for Doubles during raw data processing
+
 ## 1.12.0 [2025-10-23]
 - Get review indicator endpoint
 
diff --git a/src/main/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataService.java b/src/main/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataService.java
index 07aa8b67..75eef856 100644
--- a/src/main/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataService.java
+++ b/src/main/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataService.java
@@ -36,6 +36,7 @@
 import org.springframework.stereotype.Service;
 
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
@@ -389,7 +390,7 @@ private static void convertToCollectedVar(
                 // scalaire non null ?
                 if (value != null && !(value instanceof List<?>)) {
                     // idem: on garde convertOneVar(entry, String, ...)
-                    convertOneVar(collectedVariable, String.valueOf(value), variablesMap, 1, dest);
+                    convertOneVar(collectedVariable, getValueString(value), variablesMap, 1, dest);
                 }
             }
         }
@@ -462,4 +463,15 @@ public Page<LunaticJsonRawDataModel> findRawDataByCampaignIdAndDate(String campa
 
     }
 
+    //Utils
+    protected static String getValueString(Object value) {
+        if (value instanceof Double || value instanceof Float) {
+            BigDecimal bd = new BigDecimal(value.toString());
+            return bd.stripTrailingZeros().toPlainString();
+        }
+        if (value instanceof Number) {
+            return value.toString();
+        }
+        return String.valueOf(value);
+    }
 }
diff --git a/src/test/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataServiceTest.java b/src/test/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataServiceTest.java
index c37ab461..5bcd9a5c 100644
--- a/src/test/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataServiceTest.java
+++ b/src/test/java/fr/insee/genesis/domain/service/rawdata/LunaticJsonRawDataServiceTest.java
@@ -33,6 +33,7 @@
 import java.util.List;
 import java.util.Map;
 
+import static fr.insee.genesis.domain.service.rawdata.LunaticJsonRawDataService.getValueString;
 import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
 
 class LunaticJsonRawDataServiceTest {
@@ -570,4 +571,38 @@ private List<String> prepareConvertTest(int rawDataSize, String campaignId, Stri
         }
         return interrogationIdList;
     }
+
+    @Test
+    void getValueString_null_test(){
+        Object stringObject = null;
+
+        Assertions.assertThat(getValueString(stringObject)).isEqualTo("null");
+    }
+
+    @Test
+    void getValueString_string_test(){
+        Object stringObject = "test";
+
+        Assertions.assertThat(getValueString(stringObject)).isEqualTo("test");
+    }
+    @Test
+    void getValueString_int_test(){
+        Object intObject = 10;
+
+        Assertions.assertThat(getValueString(intObject)).isEqualTo("10");
+    }
+
+    @Test
+    void getValueString_float_test(){
+        Object floatObject = 10.111f;
+
+        Assertions.assertThat(getValueString(floatObject)).isEqualTo("10.111");
+    }
+
+    @Test
+    void getValueString_double_test(){
+        Object doubleObject = 101010101010.111d;
+
+        Assertions.assertThat(getValueString(doubleObject)).isEqualTo("101010101010.111");
+    }
 }
\ No newline at end of file