diff --git a/task-launcher/src/tasks/memory-game/trials/instructions.ts b/task-launcher/src/tasks/memory-game/trials/instructions.ts
index 0f27489e..079c4dd1 100644
--- a/task-launcher/src/tasks/memory-game/trials/instructions.ts
+++ b/task-launcher/src/tasks/memory-game/trials/instructions.ts
@@ -146,7 +146,7 @@ const instructions = instructionData.map((data) => {
         setPromptDurations = true;
 
         const displayPromptDurations =
-          taskStore().language === 'en'
+          taskStore().language.includes('en')
             ? {
                 memoryGameInstruct7Downex: await PageAudioHandler.getAudioDuration(
                   mediaAssets.audio.memoryGameInstruct7Downex,
diff --git a/task-launcher/src/tasks/memory-game/trials/stimulus.ts b/task-launcher/src/tasks/memory-game/trials/stimulus.ts
index faac6603..27b88439 100644
--- a/task-launcher/src/tasks/memory-game/trials/stimulus.ts
+++ b/task-launcher/src/tasks/memory-game/trials/stimulus.ts
@@ -164,8 +164,11 @@ export function getCorsiBlocks({
 
       // get the pre-assigned prompt duration values from task store
       const displayPromptDurations = taskStore().displayPromptDurations;
+      const durationSec = displayPromptDurations[cue as keyof typeof displayPromptDurations];
+      const durationMs =
+        durationSec != null && Number.isFinite(durationSec) ? durationSec * 1000 : 3000;
 
-      return displayPromptDurations[cue as keyof typeof displayPromptDurations] * 1000;
+      return durationMs;
     },
     on_load: () => {
       doOnLoad(mode, isPractice, reverse, animation, prompt);
diff --git a/task-launcher/src/tasks/shared/helpers/checkFallbackCriteria.ts b/task-launcher/src/tasks/shared/helpers/checkFallbackCriteria.ts
index 3f218676..c654b829 100644
--- a/task-launcher/src/tasks/shared/helpers/checkFallbackCriteria.ts
+++ b/task-launcher/src/tasks/shared/helpers/checkFallbackCriteria.ts
@@ -10,5 +10,5 @@ export const checkFallbackCriteria = (filterInputTrials: boolean = false) => {
   }
 
   const numIncorrect = incorrectTrials.count();
-  return numIncorrect >= 2 && taskStore().language === 'en';
+  return numIncorrect >= 2 && taskStore().language.includes('en');
 };