diff --git a/crypto/fipsmodule/rand/urandom.c b/crypto/fipsmodule/rand/urandom.c
index 33c0b03..4a60eb2 100644
--- a/crypto/fipsmodule/rand/urandom.c
+++ b/crypto/fipsmodule/rand/urandom.c
@@ -389,7 +389,7 @@
 
 #if defined(USE_NR_getrandom)
   int getrandom_flags = 0;
-  if (block) {
+  if (!block) {
     getrandom_flags |= GRND_NONBLOCK;
   }
   if (seed) {