diff --git a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/routes/ResourcesRoutes.scala b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/routes/ResourcesRoutes.scala
index cd77870dff..cdeaafe870 100644
--- a/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/routes/ResourcesRoutes.scala
+++ b/delta/app/src/main/scala/ch/epfl/bluebrain/nexus/delta/routes/ResourcesRoutes.scala
@@ -93,6 +93,7 @@ final class ResourcesRoutes(
                             .flatTap(index(project, _, mode))
                             .map(_.void)
                             .attemptNarrow[ResourceRejection]
+                            .rejectOn[InvalidSchemaRejection]
                         )
                       }
                   },
@@ -113,6 +114,7 @@ final class ResourcesRoutes(
                                       .flatTap(index(project, _, mode))
                                       .map(_.void)
                                       .attemptNarrow[ResourceRejection]
+                                      .rejectOn[InvalidSchemaRejection]
                                   )
                                 case (Some(rev), source, tag) =>
                                   // Update a resource
@@ -122,7 +124,7 @@ final class ResourcesRoutes(
                                       .flatTap(index(project, _, mode))
                                       .map(_.void)
                                       .attemptNarrow[ResourceRejection]
-                                      .rejectOn[ResourceNotFound]
+                                      .rejectWhen { case _: ResourceNotFound | _: InvalidSchemaRejection => true }
                                   )
                               }
                             }
diff --git a/tests/src/test/scala/ch/epfl/bluebrain/nexus/tests/kg/SchemasSpec.scala b/tests/src/test/scala/ch/epfl/bluebrain/nexus/tests/kg/SchemasSpec.scala
index 1dbc0e5f8d..37edd1d686 100644
--- a/tests/src/test/scala/ch/epfl/bluebrain/nexus/tests/kg/SchemasSpec.scala
+++ b/tests/src/test/scala/ch/epfl/bluebrain/nexus/tests/kg/SchemasSpec.scala
@@ -1,6 +1,7 @@
 package ch.epfl.bluebrain.nexus.tests.kg
 
-import akka.http.scaladsl.model.StatusCodes
+import akka.http.scaladsl.model.{HttpResponse, StatusCodes}
+import cats.syntax.all._
 import ch.epfl.bluebrain.nexus.delta.kernel.utils.UrlUtils
 import ch.epfl.bluebrain.nexus.tests.BaseIntegrationSpec
 import ch.epfl.bluebrain.nexus.tests.Identity.resources.Rick
@@ -195,6 +196,24 @@ class SchemasSpec extends BaseIntegrationSpec {
                    }
       } yield succeed
     }
+
+    "create a schema against the resource endpoint" in {
+      val id            = genId()
+      val schemaSegment = UrlUtils.encode("https://bluebrain.github.io/nexus/schemas/shacl-20170720.ttl")
+
+      for {
+        payload <- SchemaPayloads.simple(id)
+        _       <- deltaClient.put[Json](s"/resources/$project/$schemaSegment/$id", payload, Rick) { expectCreated }
+        // Attempting to create it again and to get a 409 as a response
+        _       <- deltaClient.put[Json](s"/resources/$project/$schemaSegment/$id", payload, Rick) { (json, response) =>
+                     json should have(`@type`("ResourceAlreadyExists"))
+                     response.status shouldEqual StatusCodes.Conflict
+                   }
+        // Should be fetched as a schema
+        _       <- deltaClient.get[Json](s"/schemas/$project/$id", Rick) { expectOk }
+      } yield succeed
+
+    }
   }
 
 }