diff --git a/crypto_kem/ntrulpr653/clean/crypto_sort_int32.c b/crypto_kem/ntrulpr653/clean/crypto_sort_int32.c
index cdb63739..dad6255b 100644
--- a/crypto_kem/ntrulpr653/clean/crypto_sort_int32.c
+++ b/crypto_kem/ntrulpr653/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_NTRULPR653_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_NTRULPR653_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/ntrulpr653/clean/crypto_sort_int32.h b/crypto_kem/ntrulpr653/clean/crypto_sort_int32.h
index debd94c5..6fc4ea5f 100644
--- a/crypto_kem/ntrulpr653/clean/crypto_sort_int32.h
+++ b/crypto_kem/ntrulpr653/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_NTRULPR653_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_NTRULPR653_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_NTRULPR653_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif
diff --git a/crypto_kem/ntrulpr761/clean/crypto_sort_int32.c b/crypto_kem/ntrulpr761/clean/crypto_sort_int32.c
index f46d6fe5..6d0ff99e 100644
--- a/crypto_kem/ntrulpr761/clean/crypto_sort_int32.c
+++ b/crypto_kem/ntrulpr761/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_NTRULPR761_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_NTRULPR761_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/ntrulpr761/clean/crypto_sort_int32.h b/crypto_kem/ntrulpr761/clean/crypto_sort_int32.h
index 56fd150d..bc4de42a 100644
--- a/crypto_kem/ntrulpr761/clean/crypto_sort_int32.h
+++ b/crypto_kem/ntrulpr761/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_NTRULPR761_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_NTRULPR761_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_NTRULPR761_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif
diff --git a/crypto_kem/ntrulpr857/clean/crypto_sort_int32.c b/crypto_kem/ntrulpr857/clean/crypto_sort_int32.c
index 5321e8b8..cb01c121 100644
--- a/crypto_kem/ntrulpr857/clean/crypto_sort_int32.c
+++ b/crypto_kem/ntrulpr857/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_NTRULPR857_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_NTRULPR857_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/ntrulpr857/clean/crypto_sort_int32.h b/crypto_kem/ntrulpr857/clean/crypto_sort_int32.h
index 5d5ce6d5..bbf6937c 100644
--- a/crypto_kem/ntrulpr857/clean/crypto_sort_int32.h
+++ b/crypto_kem/ntrulpr857/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_NTRULPR857_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_NTRULPR857_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_NTRULPR857_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif
diff --git a/crypto_kem/sntrup653/clean/crypto_sort_int32.c b/crypto_kem/sntrup653/clean/crypto_sort_int32.c
index 04475629..d83e60f1 100644
--- a/crypto_kem/sntrup653/clean/crypto_sort_int32.c
+++ b/crypto_kem/sntrup653/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_SNTRUP653_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_SNTRUP653_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/sntrup653/clean/crypto_sort_int32.h b/crypto_kem/sntrup653/clean/crypto_sort_int32.h
index 1d3d27c3..9750eb27 100644
--- a/crypto_kem/sntrup653/clean/crypto_sort_int32.h
+++ b/crypto_kem/sntrup653/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_SNTRUP653_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_SNTRUP653_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_SNTRUP653_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif
diff --git a/crypto_kem/sntrup761/clean/crypto_sort_int32.c b/crypto_kem/sntrup761/clean/crypto_sort_int32.c
index d6b6f7b8..ea9cd026 100644
--- a/crypto_kem/sntrup761/clean/crypto_sort_int32.c
+++ b/crypto_kem/sntrup761/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_SNTRUP761_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_SNTRUP761_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/sntrup761/clean/crypto_sort_int32.h b/crypto_kem/sntrup761/clean/crypto_sort_int32.h
index e603a7cc..2607d119 100644
--- a/crypto_kem/sntrup761/clean/crypto_sort_int32.h
+++ b/crypto_kem/sntrup761/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_SNTRUP761_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_SNTRUP761_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_SNTRUP761_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif
diff --git a/crypto_kem/sntrup857/clean/crypto_sort_int32.c b/crypto_kem/sntrup857/clean/crypto_sort_int32.c
index 49ce3678..f36453f0 100644
--- a/crypto_kem/sntrup857/clean/crypto_sort_int32.c
+++ b/crypto_kem/sntrup857/clean/crypto_sort_int32.c
@@ -15,7 +15,7 @@
     } while(0)
 
 /* assume 2 <= n <= 0x40000000 */
-void PQCLEAN_SNTRUP857_CLEAN_crypto_sort_int32(int32_t *x, long long n) {
+void PQCLEAN_SNTRUP857_CLEAN_crypto_sort_int32(int32_t *x, int32_t n) {
     int32 top, p, q, r, i, j;
 
     top = 1;
diff --git a/crypto_kem/sntrup857/clean/crypto_sort_int32.h b/crypto_kem/sntrup857/clean/crypto_sort_int32.h
index 09271259..3b4d1302 100644
--- a/crypto_kem/sntrup857/clean/crypto_sort_int32.h
+++ b/crypto_kem/sntrup857/clean/crypto_sort_int32.h
@@ -4,5 +4,5 @@
 #include <stdint.h>
 #define PQCLEAN_SNTRUP857_CLEAN_crypto_sort_int32_BYTES 4
 
-void PQCLEAN_SNTRUP857_CLEAN_crypto_sort_int32(int32_t *x, long long n);
+void PQCLEAN_SNTRUP857_CLEAN_crypto_sort_int32(int32_t *x, int32_t n);
 #endif