diff --git a/packages/jspsych/src/timeline/Trial.ts b/packages/jspsych/src/timeline/Trial.ts
index 8a7b059db7..5afc7c826c 100644
--- a/packages/jspsych/src/timeline/Trial.ts
+++ b/packages/jspsych/src/timeline/Trial.ts
@@ -37,11 +37,21 @@ export class Trial extends TimelineNode {
     this.pluginClass = this.getParameterValue("type", { evaluateFunctions: false });
     this.pluginInfo = this.pluginClass["info"];
 
-    if (!("version" in this.pluginInfo) || !("data" in this.pluginInfo)) {
+    if (!("version" in this.pluginInfo) && !("data" in this.pluginInfo)) {
       console.warn(
         this.pluginInfo["name"],
         "is missing the 'version' and 'data' fields. Please update plugin as 'version' and 'data' will be required in v9."
       );
+    } else if (!("version" in this.pluginInfo)) {
+      console.warn(
+        this.pluginInfo["name"],
+        "is missing the 'version' field. Please update plugin as 'version' will be required in v9."
+      );
+    } else if (!("data" in this.pluginInfo)) {
+      console.warn(
+        this.pluginInfo["name"],
+        "is missing the 'data' field. Please update plugin as 'data' will be required in v9."
+      );
     }
   }
 
@@ -192,7 +202,7 @@ export class Trial extends TimelineNode {
       ...result,
       trial_type: this.pluginInfo.name,
       trial_index: this.index,
-      version: this.pluginInfo["version"] ? null : this.pluginInfo["version"],
+      version: this.pluginInfo["version"] ? this.pluginInfo["version"] : null,
     };
 
     // Add timeline variables to the result according to the `save_timeline_variables` parameter