diff --git a/libnm-core/nm-setting-gsm.c b/libnm-core/nm-setting-gsm.c
index 22f8cdbad..fb76d18f0 100644
--- a/libnm-core/nm-setting-gsm.c
+++ b/libnm-core/nm-setting-gsm.c
@@ -290,7 +290,7 @@ verify (NMSetting *setting, NMConnection *connection, GError **error)
 		                     NM_CONNECTION_ERROR,
 		                     NM_CONNECTION_ERROR_INVALID_PROPERTY,
 		                     _("property is empty"));
-		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_USERNAME);
+		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_PASSWORD);
 		return FALSE;
 	}
 
diff --git a/libnm-util/nm-setting-gsm.c b/libnm-util/nm-setting-gsm.c
index a17d18b7e..95c7a103d 100644
--- a/libnm-util/nm-setting-gsm.c
+++ b/libnm-util/nm-setting-gsm.c
@@ -347,7 +347,7 @@ verify (NMSetting *setting, GSList *all_settings, GError **error)
 		                     NM_SETTING_GSM_ERROR,
 		                     NM_SETTING_GSM_ERROR_INVALID_PROPERTY,
 		                     _("property is empty"));
-		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_USERNAME);
+		g_prefix_error (error, "%s.%s: ", NM_SETTING_GSM_SETTING_NAME, NM_SETTING_GSM_PASSWORD);
 		return FALSE;
 	}