diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index 3d2cb6f478981..c390be1cecc92 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -20,7 +20,7 @@ int mips_cm_is64;
 phys_addr_t __mips_cm_phys_base(void)
 {
 	u32 config3 = read_c0_config3();
-	u32 cmgcr;
+	unsigned long cmgcr;
 
 	/* Check the CMGCRBase register is implemented */
 	if (!(config3 & MIPS_CONF3_CMGCR))