diff --git a/arch/mips/math-emu/dp_div.c b/arch/mips/math-emu/dp_div.c
index a1bce1b..30cc7fa 100644
--- a/arch/mips/math-emu/dp_div.c
+++ b/arch/mips/math-emu/dp_div.c
@@ -26,7 +26,7 @@
 
 #include "ieee754dp.h"
 
-ieee754dp ieee754dp_div(ieee754dp x, ieee754dp y)
+union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
 {
 	COMPXDP;
 	COMPYDP;