diff --git a/docker-compose/envoy/definitions/adempiere-report-engine-service.dsc b/docker-compose/envoy/definitions/adempiere-report-engine-service.dsc
index 4daf338..2e4e0fc 100644
Binary files a/docker-compose/envoy/definitions/adempiere-report-engine-service.dsc and b/docker-compose/envoy/definitions/adempiere-report-engine-service.dsc differ
diff --git a/src/main/java/org/spin/report_engine/data/ColumnInfo.java b/src/main/java/org/spin/report_engine/data/ColumnInfo.java
index 79ef609..fdff3ce 100644
--- a/src/main/java/org/spin/report_engine/data/ColumnInfo.java
+++ b/src/main/java/org/spin/report_engine/data/ColumnInfo.java
@@ -30,17 +30,28 @@ public class ColumnInfo {
 	private String code;
 	private String title;
 	private int printFormatItemId;
+	private int displayTypeId;
 	
 	private ColumnInfo(PrintFormatItem item) {
 		this.title = item.getPrintText();
 		this.printFormatItemId = item.getPrintFormatItemId();
 		this.code = String.valueOf(item.getPrintFormatItemId());
+		this.displayTypeId = item.getReferenceId();
 	}
 	
 	public static ColumnInfo newInstance(PrintFormatItem item) {
 		return new ColumnInfo(item);
 	}
 	
+	public int getDisplayTypeId() {
+		return displayTypeId;
+	}
+
+	public ColumnInfo withDisplayTypeId(int displayTypeId) {
+		this.displayTypeId = displayTypeId;return this;
+		
+	}
+
 	public String getColor() {
 		return color;
 	}
diff --git a/src/main/java/org/spin/report_engine/format/PrintFormatItem.java b/src/main/java/org/spin/report_engine/format/PrintFormatItem.java
index 1705a08..9798c1d 100644
--- a/src/main/java/org/spin/report_engine/format/PrintFormatItem.java
+++ b/src/main/java/org/spin/report_engine/format/PrintFormatItem.java
@@ -17,6 +17,7 @@
 import org.adempiere.core.domains.models.I_AD_PrintFormatItem;
 import org.compiere.model.MColumn;
 import org.compiere.print.MPrintFormatItem;
+import org.compiere.util.DisplayType;
 import org.compiere.util.Util;
 
 /**
@@ -168,6 +169,8 @@ private PrintFormatItem(MPrintFormatItem printFormatItem) {
 			isMandatory = column.isMandatory();
 			columnSql = column.getColumnSQL();
 			isVirtualColumn = !Util.isEmpty(column.getColumnSQL());
+		} else {
+			referenceId = DisplayType.String;
 		}
 		if(!Util.isEmpty(printFormatItem.getFormatPattern())) {
 			formatPattern = printFormatItem.getFormatPattern();
diff --git a/src/main/java/org/spin/report_engine/service/Service.java b/src/main/java/org/spin/report_engine/service/Service.java
index 9ff3ff0..5a91fbd 100644
--- a/src/main/java/org/spin/report_engine/service/Service.java
+++ b/src/main/java/org/spin/report_engine/service/Service.java
@@ -128,6 +128,7 @@ private static Report.Builder convertReport(ReportInfo reportInfo, int limit, in
 						.setTitle(ValueManager.validateNull(column.getTitle()))
 						.setColor(ValueManager.validateNull(column.getColor()))
 						.setStyle(ValueManager.validateNull(column.getStyle()))
+						.setDisplayType(column.getDisplayTypeId())
 						.build()
 						).collect(Collectors.toList())
 				)
diff --git a/src/main/proto/service/report_engine.proto b/src/main/proto/service/report_engine.proto
index e9bb08e..8cd4e39 100644
--- a/src/main/proto/service/report_engine.proto
+++ b/src/main/proto/service/report_engine.proto
@@ -67,6 +67,7 @@ message ReportColumn {
 	string title = 2;
 	string color= 3;
 	string style = 4;
+	int32 display_type = 5;
 }
 
 message ReportRow {