diff --git a/Documentation/conf.py b/Documentation/conf.py
index 61b71ae..23e2f0b 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -14,6 +14,11 @@
 
 import sys
 import os
+import sphinx
+
+# Get Sphinx version
+major, minor, patch = map(int, sphinx.__version__.split("."))
+
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -31,6 +36,12 @@
 # ones.
 extensions = ['kernel-doc', 'rstFlatTable', 'kernel_include']
 
+# The name of the math extension changed on Sphinx 1.4
+if minor > 3:
+    extensions.append("sphinx.ext.imgmath")
+else:
+    extensions.append("sphinx.ext.pngmath")
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']