diff --git a/crypto_kem/ledakemlt12/clean/gf2x_arith_mod_xPplusOne.c b/crypto_kem/ledakemlt12/clean/gf2x_arith_mod_xPplusOne.c
index 7d2add83..a5adb29e 100644
--- a/crypto_kem/ledakemlt12/clean/gf2x_arith_mod_xPplusOne.c
+++ b/crypto_kem/ledakemlt12/clean/gf2x_arith_mod_xPplusOne.c
@@ -94,7 +94,7 @@ static void left_bit_shift_wide_n(const int length, DIGIT in[], unsigned int amo
 }
 
 static uint8_t byte_reverse_with_64bitDIGIT(uint8_t b) {
-    b = (b * 0x0202020202ULL & 0x010884422010ULL) % 1023;
+    b = (uint8_t)((b * 0x0202020202ULL & 0x010884422010ULL) % 1023);
     return b;
 }
 
diff --git a/crypto_kem/ledakemlt12/clean/niederreiter.c b/crypto_kem/ledakemlt12/clean/niederreiter.c
index e52a7077..07da2d30 100644
--- a/crypto_kem/ledakemlt12/clean/niederreiter.c
+++ b/crypto_kem/ledakemlt12/clean/niederreiter.c
@@ -28,8 +28,8 @@ void PQCLEAN_LEDAKEMLT12_CLEAN_niederreiter_keygen(publicKeyNiederreiter_t *pk,
 
     /*Rejection-sample for a full L*/
     POSITION_T LPosOnes[N0][DV * M];
-    int is_L_full;
-    int isDFRok;
+    int is_L_full = 0;
+    int isDFRok = 0;
     sk->rejections = (int8_t) 0;
     do {
         PQCLEAN_LEDAKEMLT12_CLEAN_generateHPosOnes_HtrPosOnes(HPosOnes,