1 files changed, 1 insertions, 1 deletions

diff --git a/src/regress/lib/libcrypto/chacha/chachatest.c b/src/regress/lib/libcrypto/chacha/chachatest.c
index ff67fbf59a..aa10939d7e 100644
--- a/src/regress/lib/libcrypto/chacha/chachatest.c
+++ b/src/regress/lib/libcrypto/chacha/chachatest.c
@@ -227,7 +227,7 @@ main(int argc, char **argv)
 {
         struct chacha_tv *tv;
         unsigned char *in, *out;
-        int i, j;
+        size_t i, j;
 
         for (i = 0; i < N_VECTORS; i++) {
                 tv = &chacha_test_vectors[i];