src/sprng/primes-lcg64.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/sprng/primes-lcg64.c b/src/sprng/primes-lcg64.c
index 8e5a7c9..fb04373 100644
--- a/src/sprng/primes-lcg64.c
+++ b/src/sprng/primes-lcg64.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include "primes-lcg64.h"
 #include "primelist-lcg64.h"