diff --git a/packages/style-engine/class-wp-style-engine.php b/packages/style-engine/class-wp-style-engine.php
index 5687a2f422186e..4b06bcd653fd0c 100644
--- a/packages/style-engine/class-wp-style-engine.php
+++ b/packages/style-engine/class-wp-style-engine.php
@@ -242,7 +242,8 @@ public function generate( $block_styles ) {
 			foreach ( $css_rules as $rule => $value ) {
 				$filtered_css = esc_html( safecss_filter_attr( "{$rule}: {$value}" ) );
 				if ( ! empty( $filtered_css ) ) {
-					$css_output .= $filtered_css . '; ';
+					$css_output_suffix = str_ends_with( $filtered_css, ';' ) ? ' ' : '; ';
+					$css_output .= $filtered_css . $css_output_suffix;
 				}
 			}
 		}