diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index be014bf7efe5dd05db9fad6340c3623d3f1a9a7d..5ef4e57adc9e73f9dd1df82f5b84418008b65966 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -286,7 +286,7 @@
 /* Helper macros for DEBUG_PRINT */
 
 #define ACPI_IS_DEBUG_ENABLED(level, component) \
-	(level & acpi_dbg_level) && (component & acpi_dbg_layer)
+	((level & acpi_dbg_level) && (component & acpi_dbg_layer))
 
 #define ACPI_DEBUG(function, level, line, filename, modulename, component, ...) \
 	if (ACPI_IS_DEBUG_ENABLED (level, component)) \