diff --git a/doc/makepanda/makepandacore.py b/doc/makepanda/makepandacore.py
index b053e89d10..4593e43985 100644
--- a/doc/makepanda/makepandacore.py
+++ b/doc/makepanda/makepandacore.py
@@ -851,6 +851,8 @@ def SdkLocateMacOSX():
         SDK["MACOSX"] = "/Developer/SDKs/MacOSX10.5.sdk"
     elif (os.path.exists("/Developer/SDKs/MacOSX10.4u.sdk")):
         SDK["MACOSX"] = "/Developer/SDKs/MacOSX10.4u.sdk"
+    elif (os.path.exists("/Developer/SDKs/MacOSX10.4.0.sdk")):
+        SDK["MACOSX"] = "/Developer/SDKs/MacOSX10.4.0.sdk"
     else:
         exit("Could not find any MacOSX SDK")