diff --git a/src/fpx/relic_fpx_field.c b/src/fpx/relic_fpx_field.c
index 43df5f0a5..62096c0d1 100644
--- a/src/fpx/relic_fpx_field.c
+++ b/src/fpx/relic_fpx_field.c
@@ -42,6 +42,8 @@ int fp2_field_get_qnr() {
 	return 32;
 #elif FP_PRIME == 158 || FP_PRIME == 256
 	return 4;
+#elif FP_PRIME == 446 && !defined(FP_QNRES)
+	return 16;
 #else
 	return core_get()->qnr2;
 #endif