diff --git a/src/material/dialog/dialog.scss b/src/material/dialog/dialog.scss
index 98ebb7dd78aa..33e2560d527e 100644
--- a/src/material/dialog/dialog.scss
+++ b/src/material/dialog/dialog.scss
@@ -11,6 +11,11 @@ $mat-dialog-content-max-height: 65vh !default;
 // don't expose this value as variable.
 $mat-dialog-button-horizontal-margin: 8px !default;
 
+// Dialog container max height. This has been given a default value so the
+// flex-children can be calculated and not overflow on smaller screens.
+// Fixes b/323588333
+$mat-dialog-container-max-height: 95vh !default;
+
 // Whether to emit fallback values for the structural styles. Previously MDC was emitting
 // paddings in the static styles which meant that users would get them even if they didn't
 // include the `dialog-base`. Eventually we should clean up the usages of this flag.