diff --git a/configure b/configure
index 29a6efa361..116ae43603 100755
--- a/configure
+++ b/configure
@@ -347,16 +347,12 @@ fi
 
 if [[ "${CONFIG[CRYPTO]}" = "y" ]]; then
 	echo NOTE: Crypto is currently marked as experimental.  Do not use in production.
-	set +e
-	nasm_ver=$(nasm -v | sed 's/[^0-9]*//g' | awk '{print substr ($0, 0, 5)}')
-	ipsec="$(find /usr -name intel-ipsec-mb.h 2>/dev/null)"
-	set -e
-	if [[ $nasm_ver -lt "21202" ]]; then
+	if [[ $(nasm -v | sed 's/[^0-9]*//g' | awk '{print substr ($0, 0, 5)}') -lt "21202" ]]; then
 		echo Crypto requires NASM version 2.12.02 or newer.  Please install
 		echo or upgrade then re-run this script.
 		exit 1
         else
-		if [[ "$ipsec" == "" ]]; then
+		if [[ "$(find /usr -name intel-ipsec-mb.h 2>/dev/null)" == "" ]]; then
 			echo "To enable crypto you must first go to the intel-ipsec-mb directory and "
 			echo "run 'make' then 'sudo make install' then re-run this script."
 			exit 1