diff --git a/core/src/components/modal/animations/sheet.ts b/core/src/components/modal/animations/sheet.ts
index 8224effb9f5..a786f5dbf9e 100644
--- a/core/src/components/modal/animations/sheet.ts
+++ b/core/src/components/modal/animations/sheet.ts
@@ -12,9 +12,12 @@ export const createSheetEnterAnimation = (opts: ModalAnimationOptions) => {
    * current breakpoint, then the backdrop should be fading in.
    */
   const shouldShowBackdrop = backdropBreakpoint === undefined || backdropBreakpoint < currentBreakpoint!;
-  const initialBackdrop = shouldShowBackdrop
-    ? `calc(var(--backdrop-opacity) * ${staticBackdropOpacity ? 1 : currentBreakpoint!})`
-    : '0';
+  let initialBackdrop = '0';
+  if (staticBackdropOpacity) {
+    initialBackdrop = 'calc(var(--backdrop-opacity)';
+  } else if (shouldShowBackdrop) {
+    initialBackdrop = `calc(var(--backdrop-opacity) * ${currentBreakpoint!})`;
+  }
 
   const backdropAnimation = createAnimation('backdropAnimation').fromTo('opacity', 0, initialBackdrop);
 
diff --git a/core/src/components/modal/modal.tsx b/core/src/components/modal/modal.tsx
index f9b161da6d1..5dc1f2e069d 100644
--- a/core/src/components/modal/modal.tsx
+++ b/core/src/components/modal/modal.tsx
@@ -1049,6 +1049,8 @@ interface ModalOverlayOptions {
   /**
    * The point after which the backdrop will begin
    * to fade in when using a sheet modal.
+   * This option is ignored for the ionic theme
+   * due to the option below.
    */
   backdropBreakpoint: number;
   /**