diff --git a/src/main/java/org/neuroml/model/util/NeuroMLElements.java b/src/main/java/org/neuroml/model/util/NeuroMLElements.java
index 2673433a..ad0a3111 100644
--- a/src/main/java/org/neuroml/model/util/NeuroMLElements.java
+++ b/src/main/java/org/neuroml/model/util/NeuroMLElements.java
@@ -47,6 +47,7 @@ public class NeuroMLElements {
     public static final String BASE_RATE_UNIT = "baseRateUnit";
 
     public static final String CELL_COMP_TYPE = "cell";
+    public static final String CELL_2CA_POOLS_COMP_TYPE = "cell2CaPools";
 
 
     public static final String BASE_COND_SCALING_CA = "baseConductanceScalingCaDependent";