diff --git a/src/wp-includes/block-supports/layout.php b/src/wp-includes/block-supports/layout.php
index 23d687ca1eb2d..e1894cdb72743 100644
--- a/src/wp-includes/block-supports/layout.php
+++ b/src/wp-includes/block-supports/layout.php
@@ -224,6 +224,7 @@ function wp_register_layout_support( $block_type ) {
  * @since 6.1.0 Added `$block_spacing` param, use style engine to enqueue styles.
  * @since 6.3.0 Added grid layout type.
  * @since 6.6.0 Removed duplicated selector from layout styles.
+ *              Enabled negative margins for alignfull children of blocks with custom padding.
  * @access private
  *
  * @param string               $selector                      CSS selector.
@@ -307,32 +308,32 @@ function wp_get_layout_style( $selector, $layout, $has_block_gap_support = false
 					'declarations' => array( 'max-width' => 'none' ),
 				)
 			);
+		}
 
-			if ( isset( $block_spacing ) ) {
-				$block_spacing_values = wp_style_engine_get_styles(
-					array(
-						'spacing' => $block_spacing,
-					)
-				);
+		if ( isset( $block_spacing ) ) {
+			$block_spacing_values = wp_style_engine_get_styles(
+				array(
+					'spacing' => $block_spacing,
+				)
+			);
 
-				/*
-				 * Handle negative margins for alignfull children of blocks with custom padding set.
-				 * They're added separately because padding might only be set on one side.
-				 */
-				if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
-					$padding_right   = $block_spacing_values['declarations']['padding-right'];
-					$layout_styles[] = array(
-						'selector'     => "$selector > .alignfull",
-						'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
-					);
-				}
-				if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
-					$padding_left    = $block_spacing_values['declarations']['padding-left'];
-					$layout_styles[] = array(
-						'selector'     => "$selector > .alignfull",
-						'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
-					);
-				}
+			/*
+			 * Handle negative margins for alignfull children of blocks with custom padding set.
+			 * They're added separately because padding might only be set on one side.
+			 */
+			if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
+				$padding_right   = $block_spacing_values['declarations']['padding-right'];
+				$layout_styles[] = array(
+					'selector'     => "$selector > .alignfull",
+					'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
+				);
+			}
+			if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
+				$padding_left    = $block_spacing_values['declarations']['padding-left'];
+				$layout_styles[] = array(
+					'selector'     => "$selector > .alignfull",
+					'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
+				);
 			}
 		}