diff --git a/src/devices/wifi/nm-device-wifi.c b/src/devices/wifi/nm-device-wifi.c
index f8a985a2bb..f9441f8428 100644
--- a/src/devices/wifi/nm-device-wifi.c
+++ b/src/devices/wifi/nm-device-wifi.c
@@ -1040,7 +1040,7 @@ _hw_addr_set_scanning (NMDeviceWifi *self, gboolean do_reset)
 	priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
 
 	randomize = nm_config_data_get_device_config_boolean (NM_CONFIG_GET_DATA,
-	                                                      "wifi.scan-rand-mac-address",
+	                                                      NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_SCAN_RAND_MAC_ADDRESS,
 	                                                      device,
 	                                                      TRUE, TRUE);
 
diff --git a/src/nm-config.h b/src/nm-config.h
index 7ba707aac0..5d027ce06e 100644
--- a/src/nm-config.h
+++ b/src/nm-config.h
@@ -79,6 +79,7 @@
 #define NM_CONFIG_KEYFILE_KEY_DEVICE_IGNORE_CARRIER         "ignore-carrier"
 #define NM_CONFIG_KEYFILE_KEY_DEVICE_SRIOV_NUM_VFS          "sriov-num-vfs"
 #define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_BACKEND           "wifi.backend"
+#define NM_CONFIG_KEYFILE_KEY_DEVICE_WIFI_SCAN_RAND_MAC_ADDRESS "wifi.scan-rand-mac-address"
 #define NM_CONFIG_KEYFILE_KEY_DEVICE_CARRIER_WAIT_TIMEOUT   "carrier-wait-timeout"
 
 #define NM_CONFIG_KEYFILE_KEYPREFIX_WAS                     ".was."