diff --git a/addons/mail/static/src/components/call_view/call_view.scss b/addons/mail/static/src/components/call_view/call_view.scss
index da75fe8f8e2..da53e5fea07 100644
--- a/addons/mail/static/src/components/call_view/call_view.scss
+++ b/addons/mail/static/src/components/call_view/call_view.scss
@@ -3,10 +3,12 @@
 // ------------------------------------------------------------------
 
 .o_CallView {
+    height: 50%; // ensures that the view returns to the right height when resized
     min-height: 50%;
     background: var(--CallView-background-color, #{$dark});
 
     &.o-isMinimized {
+        height: 20%; // ensures that the view returns to the right height when resized
         min-height: #{"max(20%, 130px)"};
     }
 }