diff --git a/sphinx/texinputs/sphinxlatexcontainers.sty b/sphinx/texinputs/sphinxlatexcontainers.sty
index c15001c4945..93b2c8c086a 100644
--- a/sphinx/texinputs/sphinxlatexcontainers.sty
+++ b/sphinx/texinputs/sphinxlatexcontainers.sty
@@ -15,7 +15,7 @@
     \ltx@ifundefined{\sphinxClassFunctionName}%
         {}% undefined so do nothing
         {\expandafter\begin\expandafter{\sphinxClassFunctionName}}%
-{%
+}{%
     \ltx@ifundefined{\sphinxClassFunctionName}%
         {}% we did nothing so we keep doing nothing
         {\expandafter\end\expandafter{\sphinxClassFunctionName}}%