diff --git a/ipxe.inc b/ipxe.inc
index 7f6744e..9f88bcd 100644
--- a/ipxe.inc
+++ b/ipxe.inc
@@ -18,12 +18,12 @@ function download_and_verify_ipxe()
     lkrn_url=$(echo ${release_info} | jq '.[0].assets[] | select(.name=="ipxe.lkrn")' | jq -r .browser_download_url | tr -d '\n')
     shasums_url=$(echo ${release_info} | jq '.[0].assets[] | select(.name=="SHA256SUMS")' | jq -r .browser_download_url | tr -d '\n')
 
-    if [[ -z $lkrn_url ]] || [[ $lkrn_url = *[^[:space:]]* ]]; then
+    if [[ -z $lkrn_url ]]; then
         echo "download failed" > "$ipxe_path"
     else
         wget "${lkrn_url}" -O "$ipxe_path" || echo "download failed" > "$ipxe_path"
     fi
-    if [[ -z $shasums_url ]] || [[ $shasums_url = *[^[:space:]]* ]]; then
+    if [[ -z $shasums_url ]]; then
         echo "z ipxe.lkrn" > "${ipxe_path}.sha256sums"
     else
         wget "${shasums_url}" -O "${ipxe_path}.sha256sums" || echo "z ipxe.lkrn" > "${ipxe_path}.sha256sums"