diff --git a/packages/block-library/src/embed/editor.scss b/packages/block-library/src/embed/editor.scss
index af0b050764ce7..d26b048b862eb 100644
--- a/packages/block-library/src/embed/editor.scss
+++ b/packages/block-library/src/embed/editor.scss
@@ -9,6 +9,11 @@
 	// Instagram widgets have a min-width of 326px, so go a bit beyond that.
 	@include break-small() {
 		min-width: 360px;
+
+		// The placeholder should not have this min-width.
+		&.components-placeholder {
+			min-width: 0;
+		}
 	}
 
 	&.is-loading {