diff --git a/prysm.sh b/prysm.sh
index bf2b43dd4..8802e642c 100755
--- a/prysm.sh
+++ b/prysm.sh
@@ -119,10 +119,13 @@ function verify() {
     if [[ $skip == 1 ]]; then
         return 0
     fi
-
+    checkSum="shasum -a 256"
     hash shasum 2>/dev/null || {
-        echo >&2 "shasum is not available. Either install it or run with PRYSM_ALLOW_UNVERIFIED_BINARIES=1."
-        exit 1
+	checkSum="sha256sum"
+    	hash sha256sum 2>/dev/null || {
+		echo >&2 "SHA checksum utility not available. Either install one (shasum or sha256sum) or run with PRYSM_ALLOW_UNVERIFIED_BINARIES=1."
+		exit 1
+    	}
     }
     hash gpg 2>/dev/null || {
         echo >&2 "gpg is not available. Either install it or run with PRYSM_ALLOW_UNVERIFIED_BINARIES=1."
@@ -134,7 +137,7 @@ function verify() {
     gpg --list-keys $PRYLABS_SIGNING_KEY >/dev/null 2>&1 || curl --silent https://prysmaticlabs.com/releases/pgp_keys.asc | gpg --import
     (
         cd $wrapper_dir
-        shasum -a 256 -c "${file}.sha256" || failed_verification
+	$checkSum -c "${file}.sha256" || failed_verification
     )
     (
         cd $wrapper_dir