diff --git a/tribits/python_utils/GenerateDocUtilsOutput.py b/tribits/python_utils/GenerateDocUtilsOutput.py
index cb2437d7a..0eb02ef6e 100644
--- a/tribits/python_utils/GenerateDocUtilsOutput.py
+++ b/tribits/python_utils/GenerateDocUtilsOutput.py
@@ -39,9 +39,13 @@ def generateFile(filePath, generateCmnd, outFile=None, workingDir="",
 
 def addCmndLineOptions(clp):
 
-  # Assume standard install of docutils with Python3
-  rst2html = "rst2html.py"
-  rst2latex = "rst2latex.py"
+  # Find the right default for the current system
+  rst2html = "rst2html"
+  rst2latex = "rst2latex"
+  rst2htmlWhich = getCmndOutput("which rst2html", True, False)
+  if rst2htmlWhich == "" or re.match(".+no rst2html.+", rst2htmlWhich):
+    rst2html = rst2html+".py"
+    rst2latex = rst2latex+".py"
 
   clp.add_option(
     "--file-base", dest="fileBase", type="string",