diff --git a/mpmath-polynomials.patch b/mpmath-polynomials.patch
deleted file mode 100644
index 1ed6beb..0000000
--- a/mpmath-polynomials.patch
+++ /dev/null
@@ -1,10 +0,0 @@
---- mpmath/calculus/polynomials.py.orig	2014-06-10 08:06:51.000000000 -0600
-+++ mpmath/calculus/polynomials.py	2014-12-03 20:00:00.000000000 -0700
-@@ -157,6 +157,7 @@ def polyroots(ctx, coeffs, maxsteps=50,
-         return []
- 
-     tol = +ctx.eps
-+    orig = ctx.prec
-     with ctx.extraprec(extraprec):
-         deg = len(coeffs) - 1
-         # Must be monic
diff --git a/python-mpmath-1.0.0-sphinx.patch b/python-mpmath-1.0.0-sphinx.patch
new file mode 100644
index 0000000..cd493cb
--- /dev/null
+++ b/python-mpmath-1.0.0-sphinx.patch
@@ -0,0 +1,12 @@
+diff -up mpmath-1.0.0/doc/source/conf.py.sphinx mpmath-1.0.0/doc/source/conf.py
+--- mpmath-1.0.0/doc/source/conf.py.sphinx	2017-09-27 16:59:02.000000000 +0200
++++ mpmath-1.0.0/doc/source/conf.py	2018-05-05 12:03:22.313112845 +0200
+@@ -76,7 +76,7 @@ pygments_style = 'sphinx'
+ # -----------------------
+ 
+ # The "theme" that the HTML output should use.
+-html_theme = 'classic'
++html_theme = 'traditional'
+ 
+ # Add any paths that contain custom static files (such as style sheets) here,
+ # relative to this directory. They are copied after the builtin static files,
diff --git a/python-mpmath.spec b/python-mpmath.spec
index 7a8a945..eebe2db 100644
--- a/python-mpmath.spec
+++ b/python-mpmath.spec
@@ -14,6 +14,9 @@ URL:            http://mpmath.org
 # Source code
 Source0:        https://github.com/fredrik-johansson/mpmath/archive/%{version}/%{name}-%{version}.tar.gz
 
+# Switch to 'traditional' theme in RHEL since 'classic' isn't available
+Patch0:         python-mpmath-1.0.0-sphinx.patch
+
 BuildArch:      noarch
 
 BuildRequires:  python2-devel
@@ -76,6 +79,10 @@ This package contains the HTML documentation for %{name}.
 
 %prep
 %setup -q -n mpmath-%{version}
+%if 0%{?rhel} == 6 || 0%{?rhel} == 7
+%patch0 -p1 -b .sphinx
+%endif
+
 # Convert line encodings
 for doc in CHANGES LICENSE README.rst TODO mpmath/tests/runtests.py; do
  sed "s|\r||g" $doc > $doc.new && \