diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 593c384f8..377813b07 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
           PATH=$PATH:main/tools/spell
           # Make sure that the portable directory is not included in the spellcheck.
           sed -i 's/find $DIRNAME/find $DIRNAME -not -path '*portable*'/g' main/tools/spell/find-unknown-comment-words
-          find-unknown-comment-words --directory kernel/
+          find-unknown-comment-words --directory kernel/ --lexicon ./kernel/.github/lexicon.txt
           if [ "$?" = "0" ]; then
             exit 0
           else
diff --git a/tasks.c b/tasks.c
index 94b3e1f86..62ab95a30 100644
--- a/tasks.c
+++ b/tasks.c
@@ -1949,6 +1949,11 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
                     if( pxTCB->uxPriority >= pxCurrentTCB->uxPriority )
                     {
                         xYieldRequired = pdTRUE;
+
+                        /* Mark that a yield is pending in case the user is not
+                         * using the return value to initiate a context switch
+                         * from the ISR using portYIELD_FROM_ISR. */
+                        xYieldPending = pdTRUE;
                     }
                     else
                     {