diff --git a/src/zen/common/styles/zen-theme.css b/src/zen/common/styles/zen-theme.css
index 56d40d3cd..1c6571ab3 100644
--- a/src/zen/common/styles/zen-theme.css
+++ b/src/zen/common/styles/zen-theme.css
@@ -250,7 +250,7 @@
   --panel-separator-color: color-mix(in srgb, currentColor 15%, transparent) !important;
 
   --zen-big-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
-  --zen-active-tab-scale: 0.99;
+  --zen-active-tab-scale: 0.985;
 
   /* Define tab hover background color */
   --tab-hover-background-color: var(--toolbarbutton-hover-background);
diff --git a/src/zen/tabs/zen-tabs/vertical-tabs.css b/src/zen/tabs/zen-tabs/vertical-tabs.css
index 0118c3b8d..b0fdebe7a 100644
--- a/src/zen/tabs/zen-tabs/vertical-tabs.css
+++ b/src/zen/tabs/zen-tabs/vertical-tabs.css
@@ -1089,7 +1089,7 @@
 
     &:active,
     &[open] {
-      scale: 0.99;
+      scale: 0.985;
     }
 
     &[in-urlbar] {