diff --git a/graphene/types/schema.py b/graphene/types/schema.py
index 5db3a83e..340eedc3 100644
--- a/graphene/types/schema.py
+++ b/graphene/types/schema.py
@@ -151,8 +151,7 @@ class TypeMap(dict):
         self[name] = graphql_type
         return graphql_type
 
-    @staticmethod
-    def create_scalar(graphene_type):
+    def create_scalar(self, graphene_type):
         # We have a mapping to the original GraphQL types
         # so there are no collisions.
         _scalars = {
@@ -167,7 +166,7 @@ class TypeMap(dict):
 
         return GrapheneScalarType(
             graphene_type=graphene_type,
-            name=graphene_type._meta.name,
+            name=self.add_prefix_to_type_name(graphene_type._meta.name),
             description=graphene_type._meta.description,
             serialize=getattr(graphene_type, "serialize", None),
             parse_value=getattr(graphene_type, "parse_value", None),
diff --git a/graphene/types/tests/test_schema.py b/graphene/types/tests/test_schema.py
index 75084976..3ac0600b 100644
--- a/graphene/types/tests/test_schema.py
+++ b/graphene/types/tests/test_schema.py
@@ -10,7 +10,7 @@ from ..inputobjecttype import InputObjectType
 from ..interface import Interface
 from ..mutation import Mutation
 from ..objecttype import ObjectType
-from ..scalars import Int, String
+from ..scalars import Int, String, Scalar
 from ..schema import Schema
 from ..union import Union
 
@@ -19,6 +19,10 @@ class MyInputObjectType(InputObjectType):
     field = String()
 
 
+class MyScalar(Scalar):
+    ...
+
+
 class MyEnum(Enum):
     FOO = "foo"
     BAR = "bar"
@@ -35,6 +39,7 @@ class MyBarType(ObjectType):
 
 class MyFooType(ObjectType):
     field = String()
+    my_scalar = MyScalar()
     my_enum = MyEnum()
 
 
@@ -135,9 +140,12 @@ def test_schema_str():
 
         type MyFooType {
           field: String
+          myScalar: MyScalar
           myEnum: MyEnum
         }
 
+        scalar MyScalar
+
         enum MyEnum {
           FOO
           BAR
@@ -201,9 +209,12 @@ def test_schema_type_name_prefix_camelcase():
 
         type MyPrefixMyFooType {
           field: String
+          myScalar: MyPrefixMyScalar
           myEnum: MyPrefixMyEnum
         }
 
+        scalar MyPrefixMyScalar
+
         enum MyPrefixMyEnum {
           FOO
           BAR
@@ -265,9 +276,12 @@ def test_schema_type_name_prefix_camelcase_disabled():
 
         type MyPrefixMyFooType {
           field: String
+          my_scalar: MyPrefixMyScalar
           my_enum: MyPrefixMyEnum
         }
 
+        scalar MyPrefixMyScalar
+
         enum MyPrefixMyEnum {
           FOO
           BAR