diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py
index 9d239d309f..b82a1b0c58 100755
--- a/scripts/analyze-migration.py
+++ b/scripts/analyze-migration.py
@@ -588,7 +588,7 @@ def default(self, o):
 
     dump.read(desc_only = True)
     print("desc.json")
-    f = open("desc.json", "wb")
+    f = open("desc.json", "w")
     f.truncate()
     f.write(jsonenc.encode(dump.vmsd_desc))
     f.close()
@@ -596,7 +596,7 @@ def default(self, o):
     dump.read(write_memory = True)
     dict = dump.getDict()
     print("state.json")
-    f = open("state.json", "wb")
+    f = open("state.json", "w")
     f.truncate()
     f.write(jsonenc.encode(dict))
     f.close()