diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 867f4136dbac..178661f1b896 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -1373,7 +1373,7 @@ struct acpi_pdtt_channel {
 /* Flags for above */
 
 #define ACPI_PDTT_RUNTIME_TRIGGER           (1)
-#define ACPI_PPTT_WAIT_COMPLETION           (1<<1)
+#define ACPI_PDTT_WAIT_COMPLETION           (1<<1)
 
 /*******************************************************************************
  *