diff --git a/poky/meta/classes/uboot-config.bbclass b/poky/meta/classes/uboot-config.bbclass
index b9ad358..e8da8c7 100644
--- a/poky/meta/classes/uboot-config.bbclass
+++ b/poky/meta/classes/uboot-config.bbclass
@@ -125,5 +125,6 @@
                     else:
                         bb.debug(1, "Appending '%s' to UBOOT_BINARIES." % ubootbinary)
                         d.appendVar('UBOOT_BINARIES', ' ' + ubootbinary)
-                    break
+                    return
+        raise bb.parse.SkipRecipe("The selected UBOOT_CONFIG key %s has no match in %s." % (ubootconfig, ubootconfigflags.keys()))
 }