diff --git a/src/utils/common.c b/src/utils/common.c
index 5b017e57a..c740830f0 100644
--- a/src/utils/common.c
+++ b/src/utils/common.c
@@ -846,3 +846,13 @@ void bin_clear_free(void *bin, size_t len)
 		os_free(bin);
 	}
 }
+
+
+int random_mac_addr(u8 *addr)
+{
+	if (os_get_random(addr, ETH_ALEN) < 0)
+		return -1;
+	addr[0] &= 0xfe; /* unicast */
+	addr[0] |= 0x02; /* locally administered */
+	return 0;
+}
diff --git a/src/utils/common.h b/src/utils/common.h
index 2bc8fe143..1a191d206 100644
--- a/src/utils/common.h
+++ b/src/utils/common.h
@@ -538,6 +538,8 @@ void int_array_add_unique(int **res, int a);
 void str_clear_free(char *str);
 void bin_clear_free(void *bin, size_t len);
 
+int random_mac_addr(u8 *addr);
+
 
 /*
  * gcc 4.4 ends up generating strict-aliasing warnings about some very common