diff --git a/api/api-referential/referential-commons/src/main/java/fr/gouv/vitamui/referential/common/dsl/VitamQueryHelper.java b/api/api-referential/referential-commons/src/main/java/fr/gouv/vitamui/referential/common/dsl/VitamQueryHelper.java
index d1a52e653a04c11b14159e860093fbcb228d6d4b..cf2c84b4187dd2370d7c584eb8ec6073f106c4dc 100644
--- a/api/api-referential/referential-commons/src/main/java/fr/gouv/vitamui/referential/common/dsl/VitamQueryHelper.java
+++ b/api/api-referential/referential-commons/src/main/java/fr/gouv/vitamui/referential/common/dsl/VitamQueryHelper.java
@@ -115,12 +115,16 @@ public class VitamQueryHelper {
                     case IDENTIFIER:
                     case ID:
                     case PUID:
-                    case EV_TYPE_PROC:
                         // string equals operation
                         final String stringValue = (String) entry.getValue();
                         queryOr.add(eq(searchKey, stringValue));
                         haveOrParameters = true;
                         break;
+                    case EV_TYPE_PROC:
+                        // string equals operation
+                        final String evTypeProc = (String) entry.getValue();
+                        query.add(eq(searchKey, evTypeProc));
+                        break;
                     case EV_TYPE:
                         // Special case EvType can be String or String[]
                         if (entry.getValue() instanceof String) {