diff --git a/theme/boost/scss/moodle/sticky-footer.scss b/theme/boost/scss/moodle/sticky-footer.scss
index 8c78f113aa0..8e10985bde4 100644
--- a/theme/boost/scss/moodle/sticky-footer.scss
+++ b/theme/boost/scss/moodle/sticky-footer.scss
@@ -11,7 +11,7 @@ body {
     position: fixed;
     right: 0;
     left: 0;
-    min-height: $stickyfooter-height;
+    height: $stickyfooter-height;
     bottom: calc(#{$stickyfooter-height} * -1);
     transition: bottom .5s;
     z-index: $zindex-fixed;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 89649f8d256..0384046f9d7 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -36219,7 +36219,7 @@ body {
   position: fixed;
   right: 0;
   left: 0;
-  min-height: max(80px, 0.9375rem * 3);
+  height: max(80px, 0.9375rem * 3);
   bottom: calc(max(80px, 0.9375rem * 3) * -1);
   transition: bottom 0.5s;
   z-index: 1030;
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 83c8878026e..1781a921e37 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -36153,7 +36153,7 @@ body {
   position: fixed;
   right: 0;
   left: 0;
-  min-height: max(80px, 0.9375rem * 3);
+  height: max(80px, 0.9375rem * 3);
   bottom: calc(max(80px, 0.9375rem * 3) * -1);
   transition: bottom 0.5s;
   z-index: 1030;