diff --git a/src/mainboard/intel/eagleheights/mptable.c b/src/mainboard/intel/eagleheights/mptable.c
index d83bdb8..f55ee40 100644
--- a/src/mainboard/intel/eagleheights/mptable.c
+++ b/src/mainboard/intel/eagleheights/mptable.c
@@ -58,7 +58,7 @@
 #define RCBA_D29IR 0x3144
 #define RCBA_D28IR 0x3146
 
-void *smp_write_config_table(void *v)
+static void *smp_write_config_table(void *v)
 {
         static const char sig[4] = "PCMP";
         static const char oem[8] = "Intel   ";