diff --git a/pelican/tests/output/basic/theme/css/main.css b/pelican/tests/output/basic/theme/css/main.css
index 0295f6b2..a1d6931e 100644
--- a/pelican/tests/output/basic/theme/css/main.css
+++ b/pelican/tests/output/basic/theme/css/main.css
@@ -11,7 +11,7 @@
 @import url("reset.css");
 @import url("pygment.css");
 @import url("typogrify.css");
-@import url(http://fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
+@import url(//fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
 
 /***** Global *****/
 /* Body */
diff --git a/pelican/tests/output/custom/theme/css/main.css b/pelican/tests/output/custom/theme/css/main.css
index 0295f6b2..a1d6931e 100644
--- a/pelican/tests/output/custom/theme/css/main.css
+++ b/pelican/tests/output/custom/theme/css/main.css
@@ -11,7 +11,7 @@
 @import url("reset.css");
 @import url("pygment.css");
 @import url("typogrify.css");
-@import url(http://fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
+@import url(//fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
 
 /***** Global *****/
 /* Body */
diff --git a/pelican/themes/notmyidea/static/css/main.css b/pelican/themes/notmyidea/static/css/main.css
index 0295f6b2..a1d6931e 100644
--- a/pelican/themes/notmyidea/static/css/main.css
+++ b/pelican/themes/notmyidea/static/css/main.css
@@ -11,7 +11,7 @@
 @import url("reset.css");
 @import url("pygment.css");
 @import url("typogrify.css");
-@import url(http://fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
+@import url(//fonts.googleapis.com/css?family=Yanone+Kaffeesatz&subset=latin);
 
 /***** Global *****/
 /* Body */