diff --git a/internal/app/wwctl/node/set/main.go b/internal/app/wwctl/node/set/main.go
index 5302245e..c4a69f48 100644
--- a/internal/app/wwctl/node/set/main.go
+++ b/internal/app/wwctl/node/set/main.go
@@ -237,7 +237,7 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 			}
 
 			wwlog.Printf(wwlog.VERBOSE, "Node: %s:%s, Setting HW address to: %s\n", n.Id.Get(), SetNetName, SetHwaddr)
-			n.NetDevs[SetNetName].Hwaddr.Set(SetHwaddr)
+			n.NetDevs[SetNetName].Hwaddr.Set(strings.ToLower(SetHwaddr))
 		}
 
 		if SetType != "" {
diff --git a/internal/pkg/warewulfd/parser.go b/internal/pkg/warewulfd/parser.go
index a98c3808..a473f22d 100644
--- a/internal/pkg/warewulfd/parser.go
+++ b/internal/pkg/warewulfd/parser.go
@@ -22,7 +22,7 @@ func parseReq(req *http.Request) (parserInfo, error) {
 	url := strings.Split(req.URL.Path, "?")[0]
 	hwaddr := strings.Split(url, "/")[2]
 	hwaddr = strings.ReplaceAll(hwaddr, "-", ":")
-	hwaddr = strings.ToUpper(hwaddr)
+	hwaddr = strings.ToLower(hwaddr)
 
 	ret.hwaddr = hwaddr
 	ret.ipaddr = strings.Split(req.RemoteAddr, ":")[0]