diff --git a/enrol/lti/pix/enrolinstancewarning.svg b/enrol/lti/pix/enrolinstancewarning.svg
index 73a13a90cac..85671a11e18 100644
--- a/enrol/lti/pix/enrolinstancewarning.svg
+++ b/enrol/lti/pix/enrolinstancewarning.svg
@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg"><path d="M896 128q209 0 385.5 103t279.5 279.5 103 385.5-103 385.5-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103zm128 1247v-190q0-14-9-23.5t-22-9.5h-192q-13 0-23 10t-10 23v190q0 13 10 23t23 10h192q13 0 22-9.5t9-23.5zm-2-344l18-621q0-12-10-18-10-8-24-8h-220q-14 0-24 8-10 6-10 18l17 621q0 10 10 17.5t24 7.5h185q14 0 23.5-7.5t10.5-17.5z" fill="#999"/></svg>
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+<svg width="1792" height="1792" viewBox="0 0 1792 1792" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="xMinYMid meet"><path d="M896 128q209 0 385.5 103t279.5 279.5 103 385.5-103 385.5-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103zm128 1247v-190q0-14-9-23.5t-22-9.5h-192q-13 0-23 10t-10 23v190q0 13 10 23t23 10h192q13 0 22-9.5t9-23.5zm-2-344l18-621q0-12-10-18-10-8-24-8h-220q-14 0-24 8-10 6-10 18l17 621q0 10 10 17.5t24 7.5h185q14 0 23.5-7.5t10.5-17.5z" fill="#999"/></svg>
\ No newline at end of file