diff --git a/src/components/Popover/Popover.module.scss b/src/components/Popover/Popover.module.scss
index 115eb1e8..a88eb47d 100644
--- a/src/components/Popover/Popover.module.scss
+++ b/src/components/Popover/Popover.module.scss
@@ -68,35 +68,35 @@
 
     // Arrows
     .isRootAtTop > .arrow {
-        top: calc(100% - 1px);
+        top: calc(100% - #{theme.$arrow-safe-rendering-overlap + theme.$arrow-gap});
     }
 
     .isRootAtBottom > .arrow {
-        bottom: calc(100% - 1px);
+        bottom: calc(100% - #{theme.$arrow-safe-rendering-overlap + theme.$arrow-gap});
     }
 
     .isRootAtLeft > .arrow {
-        left: calc(100% - 1px);
+        left: calc(100% - #{theme.$arrow-safe-rendering-overlap + theme.$arrow-gap});
     }
 
     .isRootAtRight > .arrow {
-        right: calc(100% - 1px);
+        right: calc(100% - #{theme.$arrow-safe-rendering-overlap + theme.$arrow-gap});
     }
 
     // Side alignments: top
     .isRootAtTop.isRootAtCenter {
         left: 50%;
-        transform: translate(-50%, #{-1 * theme.$arrow-height});
+        transform: translate(-50%, calc(-1 * #{theme.$arrow-height}));
     }
 
     .isRootAtTop.isRootAtStart {
         left: 0;
-        transform: translate(0, #{-1 * theme.$arrow-height});
+        transform: translate(0, calc(-1 * #{theme.$arrow-height}));
     }
 
     .isRootAtTop.isRootAtEnd {
         right: 0;
-        transform: translate(0, #{-1 * theme.$arrow-height});
+        transform: translate(0, calc(-1 * #{theme.$arrow-height}));
     }
 
     .isRootAtTop.isRootAtCenter > .arrow {
@@ -148,17 +148,17 @@
     // Side alignments: left
     .isRootAtLeft.isRootAtCenter {
         top: 50%;
-        transform: translate(#{-1 * theme.$arrow-height}, -50%);
+        transform: translate(calc(-1 * #{theme.$arrow-height}), -50%);
     }
 
     .isRootAtLeft.isRootAtStart {
         top: 0;
-        transform: translate(#{-1 * theme.$arrow-height}, 0);
+        transform: translate(calc(-1 * #{theme.$arrow-height}), 0);
     }
 
     .isRootAtLeft.isRootAtEnd {
         bottom: 0;
-        transform: translate(#{-1 * theme.$arrow-height}, 0);
+        transform: translate(calc(-1 * #{theme.$arrow-height}), 0);
     }
 
     .isRootAtLeft.isRootAtCenter > .arrow {
@@ -216,7 +216,7 @@
     }
 
     .isRootControlled.isRootAtTop {
-        transform: translate(0, #{-1 * theme.$arrow-height}); // 2.
+        transform: translate(0, calc(-1 * #{theme.$arrow-height})); // 2.
     }
 
     .isRootControlled.isRootAtBottom {
@@ -224,7 +224,7 @@
     }
 
     .isRootControlled.isRootAtLeft {
-        transform: translate(#{-1 * theme.$arrow-height}, 0); // 2.
+        transform: translate(calc(-1 * #{theme.$arrow-height}), 0); // 2.
     }
 
     .isRootControlled.isRootAtRight {
diff --git a/src/components/Popover/_theme.scss b/src/components/Popover/_theme.scss
index 696f5306..d485fa7b 100644
--- a/src/components/Popover/_theme.scss
+++ b/src/components/Popover/_theme.scss
@@ -11,7 +11,8 @@ $color: var(--rui-Popover__color);
 $background-color: var(--rui-Popover__background-color);
 $box-shadow: var(--rui-Popover__box-shadow);
 
-// 1 rem (16px) + 2px (for insetting the arrow)
-$arrow-width: 18px;
-$arrow-height: math.div($arrow-width, 2); // 1.
+$arrow-safe-rendering-overlap: 1px;
+$arrow-gap: 1px;
+$arrow-width: calc(1rem + #{$arrow-safe-rendering-overlap + $arrow-gap});
+$arrow-height: calc(math.div($arrow-width, 2)); // 1.
 $arrow-corner-offset: 0.75rem;