diff --git a/sphinx/writers/latex.py b/sphinx/writers/latex.py
index ee1a886e9..22463457f 100644
--- a/sphinx/writers/latex.py
+++ b/sphinx/writers/latex.py
@@ -1924,6 +1924,7 @@ class LaTeXTranslator(nodes.NodeVisitor):
             value = self.encode(value)
             value = value.replace(r'\{', r'{\sphinxleftcurlybrace}')
             value = value.replace(r'\}', r'{\sphinxrightcurlybrace}')
+            value = value.replace('@', '"@')
             return value
 
         if not node.get('inline', True):