diff --git a/slpkg/sbo/check.py b/slpkg/sbo/check.py
index 924498ff..b436621e 100755
--- a/slpkg/sbo/check.py
+++ b/slpkg/sbo/check.py
@@ -69,7 +69,7 @@ def sbo_check():
                 elif "-noarch-" in pkg:
                     arch = "noarch"
                 else:
-                    arch = "" 
+                    arch = os.uname()[4]
                 name = pkg[:-(len(arch) + len("_SBo") + 3)]
                 pkg_version = get_file(name, "-")[1:]
                 name = name[:-(len(pkg_version) + 1)]
diff --git a/slpkg/sbo/slackbuild.py b/slpkg/sbo/slackbuild.py
index 6740e42c..85415ab8 100755
--- a/slpkg/sbo/slackbuild.py
+++ b/slpkg/sbo/slackbuild.py
@@ -83,7 +83,7 @@ def sbo_build(name):
             elif "arm" in arch:
                 arch = "arm"
             else:
-                arch = ""
+                arch = os.uname()[4]
             if "UNSUPPORTED" in src:
                 arch = "UNSUPPORTED"
             elif "UNTESTED" in src: