diff --git a/scripts/qapi-commands.py b/scripts/qapi-commands.py
index 035a28acb2..114c5ad276 100644
--- a/scripts/qapi-commands.py
+++ b/scripts/qapi-commands.py
@@ -289,9 +289,9 @@ void %(c_prefix)sqmp_init_marshal(QmpCommandList *cmds);
                   prefix=prefix, c_prefix=c_name(prefix, protect=False)))
 
 schema = QAPISchema(input_file)
-gen = QAPISchemaGenCommandVisitor()
-schema.visit(gen)
-fdef.write(gen.defn)
-fdecl.write(gen.decl)
+vis = QAPISchemaGenCommandVisitor()
+schema.visit(vis)
+fdef.write(vis.defn)
+fdecl.write(vis.decl)
 
 close_output(fdef, fdecl)
diff --git a/scripts/qapi-event.py b/scripts/qapi-event.py
index 91874d84fb..9de5c6748e 100644
--- a/scripts/qapi-event.py
+++ b/scripts/qapi-event.py
@@ -201,9 +201,9 @@ fdecl.write(mcgen('''
 event_enum_name = c_name(prefix + 'QAPIEvent', protect=False)
 
 schema = QAPISchema(input_file)
-gen = QAPISchemaGenEventVisitor()
-schema.visit(gen)
-fdef.write(gen.defn)
-fdecl.write(gen.decl)
+vis = QAPISchemaGenEventVisitor()
+schema.visit(vis)
+fdef.write(vis.defn)
+fdecl.write(vis.decl)
 
 close_output(fdef, fdecl)
diff --git a/scripts/qapi-introspect.py b/scripts/qapi-introspect.py
index cc1c3cb703..7a01a8f8f2 100644
--- a/scripts/qapi-introspect.py
+++ b/scripts/qapi-introspect.py
@@ -191,9 +191,9 @@ fdef.write(mcgen('''
                  prefix=prefix))
 
 schema = QAPISchema(input_file)
-gen = QAPISchemaGenIntrospectVisitor(opt_unmask)
-schema.visit(gen)
-fdef.write(gen.defn)
-fdecl.write(gen.decl)
+vis = QAPISchemaGenIntrospectVisitor(opt_unmask)
+schema.visit(vis)
+fdef.write(vis.defn)
+fdecl.write(vis.decl)
 
 close_output(fdef, fdecl)
diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py
index 766c7737d8..524d220ed7 100644
--- a/scripts/qapi-types.py
+++ b/scripts/qapi-types.py
@@ -271,9 +271,9 @@ fdecl.write(mcgen('''
 '''))
 
 schema = QAPISchema(input_file)
-gen = QAPISchemaGenTypeVisitor()
-schema.visit(gen)
-fdef.write(gen.defn)
-fdecl.write(gen.decl)
+vis = QAPISchemaGenTypeVisitor()
+schema.visit(vis)
+fdef.write(vis.defn)
+fdecl.write(vis.decl)
 
 close_output(fdef, fdecl)
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py
index 269227a38e..0e78cf3bbb 100644
--- a/scripts/qapi-visit.py
+++ b/scripts/qapi-visit.py
@@ -358,9 +358,9 @@ fdecl.write(mcgen('''
                   prefix=prefix))
 
 schema = QAPISchema(input_file)
-gen = QAPISchemaGenVisitVisitor()
-schema.visit(gen)
-fdef.write(gen.defn)
-fdecl.write(gen.decl)
+vis = QAPISchemaGenVisitVisitor()
+schema.visit(vis)
+fdef.write(vis.defn)
+fdecl.write(vis.decl)
 
 close_output(fdef, fdecl)