diff --git a/utils/Makefile b/utils/Makefile
index 71db96e8..95cd9434 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -1,4 +1,4 @@
-CFLAGS := -Wall -O2 -Werror -D_FILE_OFFSET_BITS=64 -g -mrdrnd -msse4.2 \
+CFLAGS := -Wall -O2 -Werror -D_FILE_OFFSET_BITS=64 -g -msse4.2 \
 	-fno-strict-aliasing
 
 BIN := src/scoutfs
@@ -21,7 +21,7 @@ endif
 
 $(BIN): $(OBJ)
 	$(QU)  [BIN $@]
-	$(VE)gcc -o $@ $^ -luuid -lm
+	$(VE)gcc -o $@ $^ -luuid -lm -lcrypto
 
 %.o %.d: %.c Makefile sparse.sh
 	$(QU)  [CC $<]
diff --git a/utils/src/rand.c b/utils/src/rand.c
index 6305d660..e5444810 100644
--- a/utils/src/rand.c
+++ b/utils/src/rand.c
@@ -4,27 +4,9 @@
 #include "sparse.h"
 #include "util.h"
 
+#include <openssl/rand.h>
+
 void pseudo_random_bytes(void *data, unsigned int len)
 {
-	unsigned long long tmp;
-	unsigned long long *ll = data;
-	unsigned int sz = sizeof(*ll);
-	unsigned int unaligned;
-
-	/* see if the initial buffer is unaligned */
-	unaligned = min((unsigned long)data & (sz - 1), len);
-	if (unaligned) {
-		__builtin_ia32_rdrand64_step(&tmp);
-		memcpy(data, &tmp, unaligned);
-		data += unaligned;
-		len -= unaligned;
-	}
-
-	for (ll = data; len >= sz; ll++, len -= sz)
-		__builtin_ia32_rdrand64_step(ll);
-
-	if (len) {
-		__builtin_ia32_rdrand64_step(&tmp);
-		memcpy(ll, &tmp, len);
-	}
+	RAND_pseudo_bytes(data, len);
 }