diff --git a/common/kallsyms.c b/common/kallsyms.c
index 94dfcdce8..121b77cc8 100644
--- a/common/kallsyms.c
+++ b/common/kallsyms.c
@@ -167,10 +167,10 @@ static unsigned long get_symbol_pos(unsigned long addr,
  *   It resides in a module.
  * - We also guarantee that modname will be valid until rescheduled.
  */
-const char *kallsyms_lookup(unsigned long addr,
-			    unsigned long *symbolsize,
-			    unsigned long *offset,
-			    char **modname, char *namebuf)
+static const char *kallsyms_lookup(unsigned long addr,
+				   unsigned long *symbolsize,
+				   unsigned long *offset,
+				   char **modname, char *namebuf)
 {
 	namebuf[KSYM_NAME_LEN - 1] = 0;
 	namebuf[0] = 0;