diff --git a/modules/ext.math.css b/modules/ext.math.css
index 6f325db..14f30ec 100644
--- a/modules/ext.math.css
+++ b/modules/ext.math.css
@@ -23,6 +23,9 @@ m|math {
 	/* We put Cambria before Cambria Math to workaround a bug on Windows
 	(see https://bugzilla.mozilla.org/show_bug.cgi?id=598900) */
 	font-family: Cambria, Cambria Math, Latin Modern Math, STIX Math, LatinModernMathWOFF, serif;
+	/* .mw-body-content sets the line-height to 1.6 which is not desired for math. For example */
+	/* matrices with brackets are rendered too large. See also https://phabricator.wikimedia.org/T106890 */
+	line-height: normal;
 }
 
 /* Default style for the image fallback. */