diff --git a/packages/builder/lib/processors/jsdoc/lib/transformApiJson.js b/packages/builder/lib/processors/jsdoc/lib/transformApiJson.js
index f8b045e8b47..6d94f73498d 100644
--- a/packages/builder/lib/processors/jsdoc/lib/transformApiJson.js
+++ b/packages/builder/lib/processors/jsdoc/lib/transformApiJson.js
@@ -657,12 +657,8 @@ function transformer(sInputFile, sOutputFile, sLibraryFile, vDependencyAPIFiles,
 							Object.keys(aParams).forEach((sParam) => {
 								const sSince = aParams[sParam].since;
 								const oDeprecated = aParams[sParam].deprecated;
-								const oEvtInSymbol = oSymbol.events.find((e) => e.name === oEvent.name);
-								const oParamInSymbol = oEvtInSymbol && oEvtInSymbol.parameters[0] &&
-														oEvtInSymbol.parameters[0].parameterProperties &&
-														oEvtInSymbol.parameters[0].parameterProperties.getParameters &&
-														oEvtInSymbol.parameters[0].parameterProperties.getParameters.parameterProperties &&
-														oEvtInSymbol.parameters[0].parameterProperties.getParameters.parameterProperties[sParam];
+								const oEvtInSymbol = oSymbol.events?.find((e) => e.name === oEvent.name);
+								const oParamInSymbol = oEvtInSymbol?.parameters?.[0]?.parameterProperties?.getParameters?.parameterProperties?.[sParam];
 
 								if (typeof oParamInSymbol === 'object' && oParamInSymbol !== null) {
 									if (sSince) {