diff --git a/wpa_supplicant/eapol_test.c b/wpa_supplicant/eapol_test.c
index 03b8c7e4a..c1349c947 100644
--- a/wpa_supplicant/eapol_test.c
+++ b/wpa_supplicant/eapol_test.c
@@ -1173,7 +1173,7 @@ int main(int argc, char *argv[])
 			wait_for_monitor++;
 			break;
 		case 'N':
-			p1 = os_zalloc(sizeof(p1));
+			p1 = os_zalloc(sizeof(*p1));
 			if (p1 == NULL)
 				break;
 			if (!p)