diff --git a/module_build_service/builder.py b/module_build_service/builder.py
index 705c6cf9..d81dabb9 100644
--- a/module_build_service/builder.py
+++ b/module_build_service/builder.py
@@ -402,7 +402,7 @@ class KojiModuleBuilder(GenericBuilder):
 
 
     @staticmethod
-    def get_disttag_srpm(disttag, build):
+    def get_disttag_srpm(disttag, module_build):
 
         #Taken from Karsten's create-distmacro-pkg.sh
         # - however removed any provides to system-release/redhat-release
@@ -457,8 +457,10 @@ chmod 644 %buildroot/%_rpmconfigdir/macros.d/macros.modules
 * {today} Fedora-Modularity - {version}-{release}{disttag}
 - autogenerated macro by Module Build Service (MBS)
 """.format(disttag=disttag, today=today, name=name, version=version,
-           release=release, module_name=build.name, module_stream=build.stream,
-           module_version=build.version)
+           release=release,
+           module_name=module_build.name,
+           module_stream=module_build.stream,
+           module_version=module_build.version)
         td = tempfile.mkdtemp(prefix="module_build_service-build-macros")
         fd = open(os.path.join(td, "%s.spec" % name), "w")
         fd.write(spec_content)