diff --git a/src/lib/include/fwts_acpi.h b/src/lib/include/fwts_acpi.h
index 26bbf13..d559468 100644
--- a/src/lib/include/fwts_acpi.h
+++ b/src/lib/include/fwts_acpi.h
@@ -45,7 +45,7 @@
 extern char *fwts_acpi_fadt_preferred_pm_profile[];
 
 #define FWTS_ACPI_FADT_PREFERRED_PM_PROFILE(x)		\
-	((x) > 7) ? "Reserved" : fwts_acpi_fadt_preferred_pm_profile[x]
+	((x) > 8) ? "Reserved" : fwts_acpi_fadt_preferred_pm_profile[x]
 
 /* 5.2.3.1 Generic Address Structure */
 typedef struct {
diff --git a/src/lib/src/fwts_acpi.c b/src/lib/src/fwts_acpi.c
index e014d3a..a48135a 100644
--- a/src/lib/src/fwts_acpi.c
+++ b/src/lib/src/fwts_acpi.c
@@ -37,6 +37,7 @@ char *fwts_acpi_fadt_preferred_pm_profile[] = {
 	"SOHO Server",
 	"Appliance PC",
 	"Performance Server",
+	"Tablet",
 };
 
 /*