diff --git a/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp b/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp
index 83f09d4c293..c043637c68d 100644
--- a/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp
+++ b/dom/media/webspeech/recognition/PocketSphinxSpeechRecognitionService.cpp
@@ -277,11 +277,11 @@ PocketSphinxSpeechRecognitionService::ValidateAndSetGrammarList(
     int result = ps_set_jsgf_string(mPSHandle, "name",
                                     NS_ConvertUTF16toUTF8(grammar).get());
 
-    ps_set_search(mPSHandle, "name");
-
     if (result != 0) {
       ISGrammarCompiled = false;
     } else {
+      ps_set_search(mPSHandle, "name");
+
       ISGrammarCompiled = true;
     }
   } else {