diff --git a/wp-content/themes/twentythirteen/functions.php b/wp-content/themes/twentythirteen/functions.php
index a2a615605b..db6566d37e 100644
--- a/wp-content/themes/twentythirteen/functions.php
+++ b/wp-content/themes/twentythirteen/functions.php
@@ -129,7 +129,7 @@ function twentythirteen_fonts_url() {
 		$font_families = array();
 
 		if ( 'off' !== $source_sans_pro )
-			$font_families[] = 'Source+Sans+Pro:400,700,300italic,400italic,700italic';
+			$font_families[] = 'Source+Sans+Pro:300,400,700,300italic,400italic,700italic';
 
 		if ( 'off' !== $bitter )
 			$font_families[] = 'Bitter:400,700';
diff --git a/wp-content/themes/twentythirteen/style.css b/wp-content/themes/twentythirteen/style.css
index e3d0c0dd1f..3c083129b5 100644
--- a/wp-content/themes/twentythirteen/style.css
+++ b/wp-content/themes/twentythirteen/style.css
@@ -263,6 +263,17 @@ blockquote small {
 	text-transform: uppercase;
 }
 
+blockquote em,
+blockquote i {
+	font-style: normal;
+	font-weight: 300;
+}
+
+blockquote strong,
+blockquote b {
+	font-weight: 400;
+}
+
 small {
 	font-size: smaller;
 }