diff --git a/Project.toml b/Project.toml
index e5d6aa2b..fcbf9bdc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -14,6 +14,7 @@ Memoize = "c03570c3-d221-55d1-a50c-7939bbd78826"
 Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 TOML = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
 Tectonic = "9ac5f52a-99c6-489f-af81-462ef484790f"
+URIs = "5c2747f8-b7ea-4ff2-ba2e-563bfd36b1d4"
 YAML = "ddb6d928-2868-570f-bddf-ab3f9cf99eb6"
 pandoc_crossref_jll = "f96e3c25-ae70-5588-8d8e-4a7ab3ba4c45"
 pandoc_jll = "c5432543-76ad-5c9d-82bf-db097047a5e2"
@@ -28,6 +29,7 @@ Memoize = "0.4"
 Requires = "1.1"
 TOML = "1.0"
 Tectonic = "0.4"
+URIs = "1"
 YAML = "0.4"
 julia = "1.6"
 pandoc_crossref_jll = "0.3.9"
diff --git a/src/html.jl b/src/html.jl
index 64c4d1ea..ce621eeb 100644
--- a/src/html.jl
+++ b/src/html.jl
@@ -1,4 +1,5 @@
 import YAML
+import URIs
 
 """
     split_keepdelim(str::AbstractString, dlm::Regex)
@@ -260,8 +261,10 @@ function fix_links(names, pages, url_prefix)
             elseif startswith(capture, "#ref-")
                 page_link = "references"
                 return uncapture("$url_prefix/$page_link.html$capture")
-            else
+            elseif URIs.URI(URIs.unescapeuri(capture)).scheme == ""
                 return uncapture("$url_prefix$capture")
+            else
+                return uncapture(capture)
             end
         end
         fixed = replace(page, rx => replace_match)
diff --git a/test/html.jl b/test/html.jl
index 982e6e38..d310a6ae 100644
--- a/test/html.jl
+++ b/test/html.jl
@@ -61,6 +61,7 @@
         <link rel="stylesheet" href="/files/style.css"/>
         <a href="#sec:foo">Foo</a>
         <h2 data-number="3.5" id="sec:foo"><span class="header-section-number">3.5</span> Foo</h2>
+        <p> <a href="https://www.google.com">Jump</a></p>
         """
     pages = [page]
     docs_dir = joinpath(pkgdir(Books), "docs")
@@ -73,6 +74,7 @@
             <link rel="stylesheet" href="/Books.jl/files/style.css"/>
             <a href="/Books.jl/test.html#sec:foo">Foo</a>
             <h2 data-number="3.5" id="sec:foo"><span class="header-section-number">3.5</span> Foo</h2>
+            <p> <a href="https://www.google.com">Jump</a></p>
             """
         @test actual == expected
     end
@@ -83,6 +85,7 @@
         <link rel="stylesheet" href="/files/style.css"/>
         <a href="/test.html#sec:foo">Foo</a>
         <h2 data-number="3.5" id="sec:foo"><span class="header-section-number">3.5</span> Foo</h2>
+        <p> <a href="https://www.google.com">Jump</a></p>
         """
     @test actual == expected
 end
diff --git a/test/runtests.jl b/test/runtests.jl
index ba4fb353..d528b164 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -15,7 +15,9 @@ DocMeta.setdocmeta!(
 )
 doctest(Books)
 
-include("output.jl")
-include("html.jl")
-include("showcode.jl")
-include("generate.jl")
+@testset "Books.jl" begin
+  include("output.jl")
+  include("html.jl")
+  include("showcode.jl")
+  include("generate.jl")
+end