diff --git a/src/crypto/randomx/intrin_portable.h b/src/crypto/randomx/intrin_portable.h
index 1dcd3ad37..df98a5432 100644
--- a/src/crypto/randomx/intrin_portable.h
+++ b/src/crypto/randomx/intrin_portable.h
@@ -414,7 +414,7 @@ FORCE_INLINE void rx_store_vec_f128(double* mem_addr, rx_vec_f128 val) {
 }
 
 FORCE_INLINE rx_vec_f128 rx_swap_vec_f128(rx_vec_f128 a) {
-	float64x2_t temp;
+	float64x2_t temp{};
 	temp = vcopyq_laneq_f64(temp, 1, a, 1);
 	a = vcopyq_laneq_f64(a, 1, a, 0);
 	return vcopyq_laneq_f64(a, 0, temp, 1);
@@ -505,7 +505,7 @@ FORCE_INLINE void rx_store_vec_i128(rx_vec_i128* mem_addr, rx_vec_i128 val) {
 FORCE_INLINE rx_vec_f128 rx_cvt_packed_int_vec_f128(const void* addr) {
 	double lo = unsigned32ToSigned2sCompl(load32((uint8_t*)addr + 0));
 	double hi = unsigned32ToSigned2sCompl(load32((uint8_t*)addr + 4));
-	rx_vec_f128 x;
+	rx_vec_f128 x{};
 	x = vsetq_lane_f64(lo, x, 0);
 	x = vsetq_lane_f64(hi, x, 1);
 	return x;