diff --git a/src/main/scala/s3/website/model/push.scala b/src/main/scala/s3/website/model/push.scala
index 4e7a44cb..1e37f15d 100644
--- a/src/main/scala/s3/website/model/push.scala
+++ b/src/main/scala/s3/website/model/push.scala
@@ -84,7 +84,7 @@ case class Upload(originalFile: File, uploadType: UploadType)(implicit site: Sit
             val matchingMaxAge = (glob: String, maxAge: Int) =>
               rubyRuntime.evalScriptlet(
                 s"""|# encoding: utf-8
-                    |File.fnmatch('$glob', '$s3Key')""".stripMargin)
+                    |File.fnmatch('$glob', "$s3Key")""".stripMargin)
                 .toJava(classOf[Boolean])
                 .asInstanceOf[Boolean]
             val fileGlobMatch = globs find Function.tupled(matchingMaxAge)
diff --git a/src/test/scala/s3/website/S3WebsiteSpec.scala b/src/test/scala/s3/website/S3WebsiteSpec.scala
index 63a813e6..7bed8c92 100644
--- a/src/test/scala/s3/website/S3WebsiteSpec.scala
+++ b/src/test/scala/s3/website/S3WebsiteSpec.scala
@@ -437,6 +437,17 @@ class S3WebsiteSpec extends Specification {
       sentPutObjectRequest.getMetadata.getCacheControl must equalTo("max-age=60")
     }
 
+    "supports all valid URI characters in the glob setting" in new BasicSetup {
+      config = """
+        |max_age:
+        |  "*.html": 90
+      """.stripMargin
+      val allValidUrlCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=" // See http://stackoverflow.com/a/1547940/990356 for discussion
+      setLocalFile(s"$allValidUrlCharacters.html")
+      push
+      sentPutObjectRequest.getMetadata.getCacheControl must equalTo("max-age=90")
+    }
+
     "be applied to files that match the glob" in new BasicSetup {
       config = """
         |max_age: