diff --git a/doc/makepanda/maketarball.py b/doc/makepanda/maketarball.py
index 7f9234c32e..48b153472f 100755
--- a/doc/makepanda/maketarball.py
+++ b/doc/makepanda/maketarball.py
@@ -237,6 +237,7 @@ oscmd("ln -sf ../../thirdparty/win-libs-vc7 "+TARDIR+"/thirdparty/win-libs-vc7")
 oscmd("ln -sf ../../thirdparty/win-python   "+TARDIR+"/thirdparty/win-python")
 oscmd("ln -sf ../../thirdparty/win-util     "+TARDIR+"/thirdparty/win-util")
 oscmd("ln -sf ../../thirdparty/win-nsis     "+TARDIR+"/thirdparty/win-nsis")
+oscmd("ln -sf ../../thirdparty/win-extras   "+TARDIR+"/thirdparty/win-extras")
 oscmd("ln -sf ../../thirdparty/Pmw          "+TARDIR+"/thirdparty/Pmw")
 oscmd("zip -rq "+TARDIR+".zip "+TARDIR+" -x '*/CVS/*'")
 oscmd("rm -rf "+TARDIR)
@@ -279,6 +280,7 @@ oscmd("ln -sf ../../thirdparty/win-libs-vc7 "+TARDIR+"/thirdparty/win-libs-vc7")
 oscmd("ln -sf ../../thirdparty/win-python   "+TARDIR+"/thirdparty/win-python")
 oscmd("ln -sf ../../thirdparty/win-util     "+TARDIR+"/thirdparty/win-util")
 oscmd("ln -sf ../../thirdparty/win-nsis     "+TARDIR+"/thirdparty/win-nsis")
+oscmd("ln -sf ../../thirdparty/win-extras   "+TARDIR+"/thirdparty/win-extras")
 oscmd("ln -sf ../../thirdparty/Pmw          "+TARDIR+"/thirdparty/Pmw")
 oscmd("zip -rq "+TARDIR+"-tools-win32.zip "+TARDIR+" -x '*/CVS/*'")
 oscmd("rm -rf "+TARDIR)