diff --git a/dto/src/main/scala/org/thp/thehive/dto/v1/Procedure.scala b/dto/src/main/scala/org/thp/thehive/dto/v1/Procedure.scala
index a64e4d84a9..8356fe5ca5 100644
--- a/dto/src/main/scala/org/thp/thehive/dto/v1/Procedure.scala
+++ b/dto/src/main/scala/org/thp/thehive/dto/v1/Procedure.scala
@@ -6,7 +6,7 @@ import java.util.Date
 
 case class InputProcedure(
     description: String,
-    occurence: Date,
+    occurDate: Date,
     caseId: String,
     patternId: String
 )
@@ -15,12 +15,12 @@ object InputProcedure {
   implicit val reads: Reads[InputProcedure] = Reads[InputProcedure] { json =>
     for {
       description <- (json \ "description").validate[String]
-      occurence   <- (json \ "occurence").validate[Date]
+      occurDate   <- (json \ "occurDate").validate[Date]
       caseId      <- (json \ "caseId").validate[String]
       patternId   <- (json \ "patternId").validate[String]
     } yield InputProcedure(
       description,
-      occurence,
+      occurDate,
       caseId,
       patternId
     )
@@ -36,7 +36,7 @@ case class OutputProcedure(
     _updatedAt: Option[Date],
     _updatedBy: Option[String],
     description: String,
-    occurence: Date,
+    occurDate: Date,
     patternId: String,
     extraData: JsObject
 )
diff --git a/thehive/app/org/thp/thehive/controllers/v1/Properties.scala b/thehive/app/org/thp/thehive/controllers/v1/Properties.scala
index 72980a3bb2..11a15263ca 100644
--- a/thehive/app/org/thp/thehive/controllers/v1/Properties.scala
+++ b/thehive/app/org/thp/thehive/controllers/v1/Properties.scala
@@ -365,7 +365,7 @@ class Properties @Inject() (
   lazy val procedure: PublicProperties =
     PublicPropertyListBuilder[Procedure]
       .property("description", UMapping.string)(_.field.updatable)
-      .property("occurence", UMapping.date)(_.field.updatable)
+      .property("occurDate", UMapping.date)(_.field.updatable)
       .build
 
   lazy val profile: PublicProperties =
diff --git a/thehive/app/org/thp/thehive/models/Procedure.scala b/thehive/app/org/thp/thehive/models/Procedure.scala
index 8d587f69d2..3d4684b09a 100644
--- a/thehive/app/org/thp/thehive/models/Procedure.scala
+++ b/thehive/app/org/thp/thehive/models/Procedure.scala
@@ -8,7 +8,7 @@ import java.util.Date
 @BuildVertexEntity
 case class Procedure(
     description: String,
-    occurence: Date
+    occurDate: Date
     // metadata
 )
 
@@ -17,7 +17,7 @@ case class ProcedurePattern()
 
 case class RichProcedure(procedure: Procedure with Entity, pattern: Pattern with Entity) {
   def description: String        = procedure.description
-  def occurence: Date            = procedure.occurence
+  def occurDate: Date            = procedure.occurDate
   def _id: EntityId              = procedure._id
   def _createdAt: Date           = procedure._createdAt
   def _createdBy: String         = procedure._createdBy
diff --git a/thehive/test/org/thp/thehive/controllers/v1/ProcedureCtrlTest.scala b/thehive/test/org/thp/thehive/controllers/v1/ProcedureCtrlTest.scala
index 71bf1c8e36..cfe0f7ebb1 100644
--- a/thehive/test/org/thp/thehive/controllers/v1/ProcedureCtrlTest.scala
+++ b/thehive/test/org/thp/thehive/controllers/v1/ProcedureCtrlTest.scala
@@ -10,7 +10,7 @@ import java.util.Date
 
 case class TestProcedure(
     description: String,
-    occurence: Date,
+    occurDate: Date,
     patternId: String
 )
 
@@ -66,7 +66,7 @@ class ProcedureCtrlTest extends PlaySpecification with TestAppBuilder {
       val updatedDate = new Date()
       val request2 = FakeRequest("PATCH", "/api/v1/procedure/testProcedure3")
         .withHeaders("user" -> "certadmin@thehive.local")
-        .withJsonBody(Json.obj("description" -> "a new description", "occurence" -> updatedDate))
+        .withJsonBody(Json.obj("description" -> "a new description", "occurDate" -> updatedDate))
       val result2 = app[ProcedureCtrl].update(procedureId)(request2)
       status(result2) must beEqualTo(204).updateMessage(s => s"$s\n${contentAsString(result2)}")