diff -ruN scrub-2.5.2.orig/src/genrand.c scrub-2.5.2/src/genrand.c
--- scrub-2.5.2.orig/src/genrand.c	2012-06-21 00:00:27.000000000 +0200
+++ scrub-2.5.2/src/genrand.c	2020-11-27 13:57:59.866410480 +0100
@@ -106,7 +106,7 @@
                 buf[n] = result;
             }
 #endif
-            return;
+            return 0;
         }
     }