diff --git a/letsencrypt-apache/letsencrypt_apache/parser.py b/letsencrypt-apache/letsencrypt_apache/parser.py
index d7dc3c422..823d9794b 100644
--- a/letsencrypt-apache/letsencrypt_apache/parser.py
+++ b/letsencrypt-apache/letsencrypt_apache/parser.py
@@ -394,6 +394,8 @@ class ApacheParser(object):
         if not arg.startswith("/"):
             # Normpath will condense ../
             arg = os.path.normpath(os.path.join(self.root, arg))
+        else:
+            arg = os.path.normpath(arg)
 
         # Attempts to add a transform to the file if one does not already exist
         if os.path.isdir(arg):
diff --git a/letsencrypt-apache/letsencrypt_apache/tests/complex_parsing_test.py b/letsencrypt-apache/letsencrypt_apache/tests/complex_parsing_test.py
index e7bd03cc5..64ecaa321 100644
--- a/letsencrypt-apache/letsencrypt_apache/tests/complex_parsing_test.py
+++ b/letsencrypt-apache/letsencrypt_apache/tests/complex_parsing_test.py
@@ -98,6 +98,9 @@ class ComplexParserTest(util.ParserTest):
     def test_include_fullpath(self):
         self.verify_fnmatch(os.path.join(self.config_path, "test_fnmatch.conf"))
 
+    def test_include_fullpath_trailing_slash(self):
+        self.verify_fnmatch(self.config_path + "//")
+
     def test_include_variable(self):
         self.verify_fnmatch("../complex_parsing/${fnmatch_filename}")