diff --git a/sphinx/texinputs/sphinx.sty b/sphinx/texinputs/sphinx.sty
index 9166a9509..86f470a64 100644
--- a/sphinx/texinputs/sphinx.sty
+++ b/sphinx/texinputs/sphinx.sty
@@ -238,6 +238,7 @@
   \setlength\parskip{0pt}%
   \setlength\itemsep{0ex}%
   \setlength\topsep{0ex}%
+  \setlength\parsep{0pt}% let's not forget this one!
   \setlength\partopsep{0pt}%
   \setlength\leftmargin{0pt}%
   }%