diff --git a/src/java/com/samskivert/jdbc/depot/BuildVisitor.java b/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
index def7dd16..60925bfb 100644
--- a/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
+++ b/src/java/com/samskivert/jdbc/depot/BuildVisitor.java
@@ -96,6 +96,8 @@ public abstract class BuildVisitor implements ExpressionVisitor
             if (ii > 0) {
                 _builder.append(" and ");
             }
+            appendTableAbbreviation(whereCondition.getPersistentClass());
+            _builder.append(".");
             appendColumn(whereCondition.getPersistentClass(), keyFields[ii]);
             _builder.append(values[ii] == null ? " is null " : " = ? ");
         }