diff --git a/runtime/src/main/java/org/teiid/transport/PgBackendProtocol.java b/runtime/src/main/java/org/teiid/transport/PgBackendProtocol.java
index 9d14696ff4..cb1e568e04 100644
--- a/runtime/src/main/java/org/teiid/transport/PgBackendProtocol.java
+++ b/runtime/src/main/java/org/teiid/transport/PgBackendProtocol.java
@@ -541,6 +541,8 @@ private void getContent(ResultSet rs, PgColInfo col, int column) throws SQLExcep
 			    		}
 			    		if (o != null) {
 			    			writer.append(o.toString());
+			    		} else {
+			    			writer.append('0');
 			    		}
 			    	}
 		    	}