diff --git a/contrib/ports/unix/example_app/iteropts.sh b/contrib/ports/unix/example_app/iteropts.sh
index d828e363..05ec0314 100755
--- a/contrib/ports/unix/example_app/iteropts.sh
+++ b/contrib/ports/unix/example_app/iteropts.sh
@@ -17,7 +17,14 @@ do
     rm $EXAPPDIR/lwipopts_test.h
     # cat the file to update its timestamp
     cat $f > $EXAPPDIR/lwipopts_test.h
-    make TESTFLAGS="-DLWIP_OPTTEST_FILE -Wno-documentation" -j 4 1> $BUILDLOG 2>&1 || (RETVAL=1; echo file $f failed >> $LOGFILE; echo ++++++++ $f FAILED +++++++; cat $BUILDLOG)
+    make TESTFLAGS="-DLWIP_OPTTEST_FILE -Wno-documentation" -j 4 1> $BUILDLOG 2>&1
+    ERR=$?
+    if [ $ERR != 0 ]; then
+        cat $BUILDLOG
+        echo file $f failed with $ERR >> $LOGFILE
+        echo ++++++++ $f FAILED +++++++
+        RETVAL=1
+    fi
     echo test $f done >> $LOGFILE
 done
 echo done, cleaning