diff --git a/src/main/java/io/ebeaninternal/server/util/BindParamsParser.java b/src/main/java/io/ebeaninternal/server/util/BindParamsParser.java
index 55b5b7d69..89b344700 100644
--- a/src/main/java/io/ebeaninternal/server/util/BindParamsParser.java
+++ b/src/main/java/io/ebeaninternal/server/util/BindParamsParser.java
@@ -105,7 +105,7 @@ public class BindParamsParser {
 
     // search for quotes and named params... in order...
     int beginQuotePos = sql.indexOf(quote, startPos);
-    int nameParamStart = sql.indexOf(colon, startPos);
+    int nameParamStart = findNameStart(sql, startPos);
     if (beginQuotePos > 0 && beginQuotePos < nameParamStart) {
       // the quote precedes the named parameter...
       // find and add up to the end quote
@@ -180,6 +180,23 @@ public class BindParamsParser {
     }
   }
 
+  /**
+   * Find the next named parameter start position (based on colon).
+   */
+  static int findNameStart(String sql, int startPos) {
+    int colonPos = sql.indexOf(colon, startPos);
+    if (colonPos > -1) {
+      // validate the next character after the colon (ignore postgres cast)
+      char c = sql.charAt(colonPos + 1);
+      if (c == '_' || Character.isLetterOrDigit(c)) {
+        return colonPos;
+      } else {
+        return findNameStart(sql, colonPos + 2);
+      }
+    }
+    return -1;
+  }
+
   /**
    * Add an encryption key bind parameter.
    */
diff --git a/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlColumnParsing.java b/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlColumnParsing.java
index 47c74ebd7..c24d47b6d 100644
--- a/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlColumnParsing.java
+++ b/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlColumnParsing.java
@@ -160,4 +160,26 @@ public class TestRawSqlColumnParsing extends TestCase {
 
   }
 
+  public void test_doubleColon() {
+
+    ColumnMapping columnMapping = DRawSqlColumnsParser.parse("a,MD5(id::text) as b,c");
+    Map<String, Column> mapping = columnMapping.mapping();
+    Column c = mapping.get("a");
+
+    assertEquals("a", c.getDbColumn());
+    assertEquals(0, c.getIndexPos());
+    assertEquals("a", c.getPropertyName());
+
+    c = mapping.get("b");
+    assertEquals("MD5(id::text)", c.getDbColumn());
+    assertEquals(1, c.getIndexPos());
+    assertEquals("b", c.getPropertyName());
+
+    c = mapping.get("c");
+    assertEquals("c", c.getDbColumn());
+    assertEquals(2, c.getIndexPos());
+    assertEquals("c", c.getPropertyName());
+
+  }
+
 }
diff --git a/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlParsing.java b/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlParsing.java
index 3d59d2033..570509646 100644
--- a/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlParsing.java
+++ b/src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlParsing.java
@@ -1,12 +1,24 @@
 package io.ebeaninternal.server.rawsql;
 
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
 import io.ebean.RawSql;
-import io.ebeaninternal.server.rawsql.SpiRawSql.Sql;
 import io.ebean.RawSqlBuilder;
-import junit.framework.TestCase;
+import io.ebean.annotation.ForPlatform;
+import io.ebean.annotation.Platform;
+import io.ebeaninternal.server.rawsql.SpiRawSql.Sql;
+import org.junit.Test;
+import org.tests.model.basic.Customer;
+import org.tests.model.basic.ResetBasicData;
 
-public class TestRawSqlParsing extends TestCase {
+import java.util.List;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertTrue;
+
+public class TestRawSqlParsing extends BaseTestCase {
+
+  @Test
   public void test() {
 
     String sql
@@ -24,6 +36,25 @@ public class TestRawSqlParsing extends TestCase {
 
     String s = rs.toString();
     assertTrue(s, s.contains("[order_id, sum"));
+  }
 
+  @Test
+  @ForPlatform(Platform.POSTGRES)
+  public void testDoubleColon() {
+
+    ResetBasicData.reset();
+
+    String sql = "select id, name from o_customer where name=:name and MD5(id::text) BETWEEN '00000000000000000000000000000000' AND 'ffffffffffffffffffffffffffffffff'";
+
+    RawSql rawSql = RawSqlBuilder
+      .parse(sql)
+      .create();
+
+    List<Customer> list = Ebean.createQuery(Customer.class)
+      .setRawSql(rawSql)
+      .setParameter("name", "Rob")
+      .findList();
+
+    assertThat(list).isNotEmpty();
   }
 }
diff --git a/src/test/java/io/ebeaninternal/server/util/BindParamsParserTest.java b/src/test/java/io/ebeaninternal/server/util/BindParamsParserTest.java
index 6b57334f4..0b874aa8f 100644
--- a/src/test/java/io/ebeaninternal/server/util/BindParamsParserTest.java
+++ b/src/test/java/io/ebeaninternal/server/util/BindParamsParserTest.java
@@ -32,4 +32,19 @@ public class BindParamsParserTest {
     assertEquals("delete from foo where id in (?,?,?,?)", sql1);
 
   }
+
+  @Test
+  public void findNameStart() {
+    assertEquals(5, BindParamsParser.findNameStart("some :name = ?", 0));
+  }
+
+  @Test
+  public void findNameStart_doubleColon() {
+    assertEquals(-1, BindParamsParser.findNameStart("some ::name = ?", 0));
+  }
+
+  @Test
+  public void findNameStart_doubleColonSkip() {
+    assertEquals(10, BindParamsParser.findNameStart("some ::na :a = ?", 0));
+  }
 }