diff --git a/ssh-rand-helper.c b/ssh-rand-helper.c
index 375ba3c..68b77b2 100644
--- a/ssh-rand-helper.c
+++ b/ssh-rand-helper.c
@@ -39,7 +39,7 @@
 #include "pathnames.h"
 #include "log.h"
 
-RCSID("$Id: ssh-rand-helper.c,v 1.9 2002/10/21 00:13:37 djm Exp $");
+RCSID("$Id: ssh-rand-helper.c,v 1.10 2003/03/17 05:13:53 djm Exp $");
 
 /* Number of bytes we write out */
 #define OUTPUT_SEED_SIZE	48
@@ -562,7 +562,8 @@
 
 	debug("writing PRNG seed to file %.100s", filename);
 
-	RAND_bytes(seed, sizeof(seed));
+	if (RAND_bytes(seed, sizeof(seed)) <= 0)
+		fatal("PRNG seed extration failed");
 
 	/* Don't care if the seed doesn't exist */
 	prng_check_seedfile(filename);
@@ -849,7 +850,8 @@
 	if (!RAND_status())
 		fatal("Not enough entropy in RNG");
 
-	RAND_bytes(buf, bytes);
+	if (RAND_bytes(buf, bytes) <= 0)
+		fatal("Couldn't extract entropy from PRNG");
 
 	if (output_hex) {
 		for(ret = 0; ret < bytes; ret++)