diff --git a/lib/getPostcssResult.js b/lib/getPostcssResult.js
index 599fd2658c..45090ab344 100644
--- a/lib/getPostcssResult.js
+++ b/lib/getPostcssResult.js
@@ -93,10 +93,15 @@ function getCustomSyntax(customSyntax) {
 	if (typeof customSyntax === 'string') {
 		try {
 			resolved = require(customSyntax);
-		} catch {
-			throw new Error(
-				`Cannot resolve custom syntax module "${customSyntax}". Check that module "${customSyntax}" is available and spelled correctly.`,
-			);
+		} catch (error) {
+			// @ts-expect-error -- TS2571: Object is of type 'unknown'.
+			if (error && error.code === 'MODULE_NOT_FOUND') {
+				throw new Error(
+					`Cannot resolve custom syntax module "${customSyntax}". Check that module "${customSyntax}" is available and spelled correctly.`,
+				);
+			}
+
+			throw error;
 		}
 
 		/*