diff --git a/tools/rename_functions_in_ida.py b/tools/rename_functions_in_ida.py
new file mode 100644
index 00000000..209cdb62
--- /dev/null
+++ b/tools/rename_functions_in_ida.py
@@ -0,0 +1,25 @@
+# Renames functions in an IDA database to match the function names
+# in the decompiled source code.
+# This script needs to be compatible with Python 2.7.
+
+import csv
+import idc
+import os
+
+csv_path = os.path.join(os.path.dirname(__file__), "../data/uking_functions.csv")
+
+MARKERS = ("|", "?", "!")
+
+with open(csv_path, "r") as f:
+    reader = csv.reader(f)
+    for fn in reader:
+        addr = int(fn[0], 16)
+        decomp_name = fn[3]
+        if not decomp_name:
+            continue
+
+        # Get rid of status markers.
+        if decomp_name[-1] in MARKERS:
+            decomp_name = decomp_name[:-1]
+
+        idc.MakeName(addr, decomp_name)