diff --git a/model/src/main/java/lcsb/mapviewer/model/map/reaction/Reaction.java b/model/src/main/java/lcsb/mapviewer/model/map/reaction/Reaction.java
index 02a9d8b2e9e0f37470d13f90aec51918c77d8c3c..1958029d3bcd536d81f27cb474baef9d69bf4f3a 100644
--- a/model/src/main/java/lcsb/mapviewer/model/map/reaction/Reaction.java
+++ b/model/src/main/java/lcsb/mapviewer/model/map/reaction/Reaction.java
@@ -925,4 +925,9 @@ public class Reaction implements BioEntity {
   public double getSize() {
     return 0;
   }
+  
+  @Override
+  public String toString() {
+    return new ElementUtils().getElementTag(this);
+  }
 }