diff --git a/packages/ckeditor5-math/src/mathcommand.ts b/packages/ckeditor5-math/src/mathcommand.ts
index b6126f42f..e91350e1f 100644
--- a/packages/ckeditor5-math/src/mathcommand.ts
+++ b/packages/ckeditor5-math/src/mathcommand.ts
@@ -30,7 +30,12 @@ export default class MathCommand extends Command {
 
 				mathtex = writer.createElement(
 					display ? 'mathtex-display' : 'mathtex-inline',
-					{ equation, type, display }
+					{
+						...Object.fromEntries(selection.getAttributes()),
+						equation,
+						type,
+						display
+					}
 				);
 			} else {
 				const selection = this.editor.model.document.selection;
@@ -40,7 +45,7 @@ export default class MathCommand extends Command {
 					display ? 'mathtex-display' : 'mathtex-inline',
 					{
 						// Inherit all attributes from selection (e.g. color, background color, size).
-						...Object.fromEntries( selection.getAttributes() ),
+						...Object.fromEntries(selection.getAttributes()),
 						equation,
 						type: outputType,
 						display,