diff --git a/lib/antora/extensions/inject-collector-config.js b/lib/antora/extensions/inject-collector-config.js
index b9b897cb..199a581b 100644
--- a/lib/antora/extensions/inject-collector-config.js
+++ b/lib/antora/extensions/inject-collector-config.js
@@ -22,7 +22,7 @@ module.exports.register = function () {
                 }
             }, {
               run: {
-                command: `${BASE_COMMAND} "-Dorg.gradle.jvmargs=${JVM_ARGS}" ${TASK_NAME}`,
+                command: `${BASE_COMMAND} "-Dorg.gradle.jvmargs=${JVM_ARGS}" ${TASK_NAME} --stacktrace`,
                 local: true,
               },
               scan: {