diff --git a/tools/bits-info.sh b/tools/bits-info.sh
index 6ed06b07..3b1862e5 100755
--- a/tools/bits-info.sh
+++ b/tools/bits-info.sh
@@ -13,9 +13,9 @@ export POSIXLY_CORRECT='y'
 $(set 1> /dev/null 2>&1 -o pipefail) && set -o pipefail || :
 
 echo '---'
-ps -p "${$}" -o 'comm='
+ps -p "${$}" -o 'comm='; echo $?
 echo '---'
-ps -p "${$}3" -o 'comm='
+ps -p "${$}3" -o 'comm='; echo $?
 echo '==='
 
 convert_max_signed_int_to_bit()