diff --git a/CHANGES.txt b/CHANGES.txt
index 9c834f3183..5705453ea2 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 2.2.4
+ * Fix SimpleDateType type compatibility (CASSANDRA-10027)
  * (Hadoop) fix splits calculation (CASSANDRA-10640)
  * (Hadoop) ensure that Cluster instances are always closed (CASSANDRA-10058)
  * (cqlsh) show partial trace if incomplete after max_trace_wait (CASSANDRA-7645)
diff --git a/src/java/org/apache/cassandra/db/marshal/SimpleDateType.java b/src/java/org/apache/cassandra/db/marshal/SimpleDateType.java
index 747709e1fc..6e435eeb3a 100644
--- a/src/java/org/apache/cassandra/db/marshal/SimpleDateType.java
+++ b/src/java/org/apache/cassandra/db/marshal/SimpleDateType.java
@@ -69,7 +69,7 @@ public class SimpleDateType extends AbstractType<Integer>
     @Override
     public boolean isValueCompatibleWithInternal(AbstractType<?> otherType)
     {
-        return this == otherType || otherType == IntegerType.instance;
+        return this == otherType || otherType == Int32Type.instance;
     }
 
     public Term fromJSONObject(Object parsed) throws MarshalException
diff --git a/test/unit/org/apache/cassandra/cql3/validation/operations/AlterTest.java b/test/unit/org/apache/cassandra/cql3/validation/operations/AlterTest.java
index 95380f4a2f..566c0ea587 100644
--- a/test/unit/org/apache/cassandra/cql3/validation/operations/AlterTest.java
+++ b/test/unit/org/apache/cassandra/cql3/validation/operations/AlterTest.java
@@ -200,4 +200,21 @@ public class AlterTest extends CQLTester
             assertInvalidSyntaxMessage("no viable alternative at input 'WITH'", stmt);
         }
     }
+
+    /**
+     * tests CASSANDRA-10027
+     */
+    @Test
+    public void testAlterColumnTypeToDate() throws Throwable
+    {
+        createTable("CREATE TABLE %s (key int PRIMARY KEY, c1 int);");
+        execute("INSERT INTO %s (key, c1) VALUES (1,1);");
+        execute("ALTER TABLE %s ALTER c1 TYPE date;");
+        assertRows(execute("SELECT * FROM %s"), row(1, 1));
+
+        createTable("CREATE TABLE %s (key int PRIMARY KEY, c1 varint);");
+        execute("INSERT INTO %s (key, c1) VALUES (1,1);");
+        assertInvalidMessage("Cannot change c1 from type varint to type date: types are incompatible.",
+                             "ALTER TABLE %s ALTER c1 TYPE date;");
+    }
 }