diff --git a/modules/ext.RevisionSlider.RevisionListView.js b/modules/ext.RevisionSlider.RevisionListView.js
index b0d3956f..24a0dc2c 100644
--- a/modules/ext.RevisionSlider.RevisionListView.js
+++ b/modules/ext.RevisionSlider.RevisionListView.js
@@ -20,6 +20,16 @@
 		 */
 		revisionWidth: 16,
 
+		/**
+		 * @type {number}
+		 */
+		minRevisionHeight: 5,
+
+		/**
+		 * @type {number}
+		 */
+		maxRevisionHeight: 66,
+
 		/**
 		 * @type {number}
 		 */
@@ -59,7 +69,7 @@
 
 			for ( i = 0; i < revs.length; i++ ) {
 				diffSize = revs[ i ].getRelativeSize();
-				relativeChangeSize = diffSize !== 0 ? Math.ceil( 65.0 * Math.log( Math.abs( diffSize ) ) / maxChangeSizeLogged ) + 5 : 0;
+				relativeChangeSize = this.calcRelativeChangeSize( diffSize, maxChangeSizeLogged );
 
 				this.$html
 					.append( $( '<div>' )
@@ -95,9 +105,11 @@
 			var revs = this.revisionList.getRevisions(),
 				maxChangeSizeLogged = Math.log( this.revisionList.getBiggestChangeSize() ),
 				i, diffSize, relativeChangeSize;
+
 			for ( i = 0; i < revs.length; i++ ) {
 				diffSize = revs[ i ].getRelativeSize();
-				relativeChangeSize = diffSize !== 0 ? Math.ceil( 65.0 * Math.log( Math.abs( diffSize ) ) / maxChangeSizeLogged ) + 5 : 0;
+				relativeChangeSize = this.calcRelativeChangeSize( diffSize, maxChangeSizeLogged );
+
 				$renderedList.find( '.mw-revslider-revision[data-pos="' + ( i + 1 ) + '"]' ).css( {
 					height: relativeChangeSize + 'px',
 					top: diffSize > 0 ? '-' + relativeChangeSize + 'px' : 0
@@ -105,6 +117,16 @@
 			}
 		},
 
+		calcRelativeChangeSize: function( diffSize, maxChangeSizeLogged ) {
+			if ( diffSize === 0 ) {
+				return 0;
+			}
+			return Math.ceil(
+					( this.maxRevisionHeight - this.minRevisionHeight ) *
+					Math.log( Math.abs( diffSize ) ) / maxChangeSizeLogged
+				) + this.minRevisionHeight;
+		},
+
 		/**
 		 * Hides the current tooltip immediately
 		 */
diff --git a/tests/qunit/RevisionSlider.RevisionListView.test.js b/tests/qunit/RevisionSlider.RevisionListView.test.js
index 05ab6267..e88d3923 100644
--- a/tests/qunit/RevisionSlider.RevisionListView.test.js
+++ b/tests/qunit/RevisionSlider.RevisionListView.test.js
@@ -21,7 +21,7 @@
 		assert.equal( $( $revisionDivs[ 0 ] ).attr( 'data-revid' ), 1 );
 		assert.equal( $( $revisionDivs[ 2 ] ).attr( 'data-revid' ), 37 );
 		assert.equal( $( $revisionDivs[ 1 ] ).css( 'width' ), '11px' );
-		assert.equal( $( $revisionDivs[ 1 ] ).css( 'height' ), '70px' ); // max relative size
+		assert.equal( $( $revisionDivs[ 1 ] ).css( 'height' ), '66px' ); // max relative size
 		assert.ok( $( $revisionDivs[ 1 ] ).hasClass( 'mw-revslider-revision-up' ) );
 		assert.ok( $( $revisionDivs[ 2 ] ).hasClass( 'mw-revslider-revision-down' ) );
 	} );