diff --git a/arch/x86/entry/entry_fred.c b/arch/x86/entry/entry_fred.c
index f004a4dc74c2..563e439b743f 100644
--- a/arch/x86/entry/entry_fred.c
+++ b/arch/x86/entry/entry_fred.c
@@ -159,8 +159,6 @@ void __init fred_complete_exception_setup(void)
 static noinstr void fred_extint(struct pt_regs *regs)
 {
 	unsigned int vector = regs->fred_ss.vector;
-	unsigned int index = array_index_nospec(vector - FIRST_SYSTEM_VECTOR,
-						NR_SYSTEM_VECTORS);
 
 	if (WARN_ON_ONCE(vector < FIRST_EXTERNAL_VECTOR))
 		return;
@@ -169,7 +167,8 @@ static noinstr void fred_extint(struct pt_regs *regs)
 		irqentry_state_t state = irqentry_enter(regs);
 
 		instrumentation_begin();
-		sysvec_table[index](regs);
+		sysvec_table[array_index_nospec(vector - FIRST_SYSTEM_VECTOR,
+						NR_SYSTEM_VECTORS)](regs);
 		instrumentation_end();
 		irqentry_exit(regs, state);
 	} else {