diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c
index 141c597ec3244b418b7c505a681d3fc20a6a481c..f869052e4a0d1b9d37d0463b7e6f8e4989da4c0a 100644
--- a/arch/mips/ralink/rt3883.c
+++ b/arch/mips/ralink/rt3883.c
@@ -157,5 +157,5 @@ void prom_soc_init(struct ralink_soc_info *soc_info)
 
 	rt2880_pinmux_data = rt3883_pinmux_data;
 
-	ralink_soc == RT3883_SOC;
+	ralink_soc = RT3883_SOC;
 }