diff --git a/api/js/etemplate/et2_core_arrayMgr.js b/api/js/etemplate/et2_core_arrayMgr.js
index dedbc886cc..8661fa316d 100644
--- a/api/js/etemplate/et2_core_arrayMgr.js
+++ b/api/js/etemplate/et2_core_arrayMgr.js
@@ -278,7 +278,7 @@ var et2_arrayMgr = /** @class */ (function () {
         var parts = _expression.split('=');
         // Expand the first value
         var val = this.expandName(parts[0]);
-        val = typeof val == "undefined" ? '' : '' + val;
+        val = (typeof val == "undefined" || val === null) ? '' : '' + val;
         // If a second expression existed, test that one
         if (typeof parts[1] != "undefined") {
             // Expand the second value
diff --git a/api/js/etemplate/et2_core_arrayMgr.ts b/api/js/etemplate/et2_core_arrayMgr.ts
index d494e2ed03..38a191db97 100644
--- a/api/js/etemplate/et2_core_arrayMgr.ts
+++ b/api/js/etemplate/et2_core_arrayMgr.ts
@@ -301,7 +301,7 @@ export class et2_arrayMgr
 
 		// Expand the first value
 		let val = this.expandName(parts[0]);
-		val = typeof val == "undefined" ? ''  : '' + val;
+		val = (typeof val == "undefined" || val === null) ? ''  : '' + val;
 
 		// If a second expression existed, test that one
 		if (typeof parts[1] != "undefined") {