diff --git a/games/falconseye/files/patch-include_system_h b/games/falconseye/files/patch-include_system_h
index 45c67123a536..06f095d07c9e 100644
--- a/games/falconseye/files/patch-include_system_h
+++ b/games/falconseye/files/patch-include_system_h
@@ -5,7 +5,7 @@
  # endif
  # if !defined(SUNOS4) || defined(RANDOM)
 -E void FDECL(srandom, (unsigned int));
-+E void FDECL(srandom, (unsigned long));
++#include <stdlib.h> /* srandom() differs between versions of FreeBSD. */
  # else
  #  if !defined(bsdi) && !defined(__FreeBSD__)
  E int FDECL(srandom, (unsigned int));
diff --git a/games/nethack34/files/patch-include-system.h b/games/nethack34/files/patch-include-system.h
index d3ee0e028d96..9bec1952f4f3 100644
--- a/games/nethack34/files/patch-include-system.h
+++ b/games/nethack34/files/patch-include-system.h
@@ -6,7 +6,7 @@
  # endif
 -# if (!defined(SUNOS4) && !defined(bsdi) && !defined(__FreeBSD__)) || defined(RANDOM)
 +# if defined(__FreeBSD__)
-+E void FDECL(srandom, (unsigned long));
++#include <stdlib.h> /* srandom() differs between versions of FreeBSD. */
 +# elif (!defined(SUNOS4) && !defined(bsdi) && !defined(__FreeBSD__)) || defined(RANDOM)
  E void FDECL(srandom, (unsigned int));
  # else
diff --git a/games/nethack36/files/patch-include-system.h b/games/nethack36/files/patch-include-system.h
index a1cdf62b87b3..de95b659c5a1 100644
--- a/games/nethack36/files/patch-include-system.h
+++ b/games/nethack36/files/patch-include-system.h
@@ -6,7 +6,7 @@
  #endif
 -#if (!defined(SUNOS4) && !defined(bsdi) && !defined(__FreeBSD__)) \
 +# if defined(__FreeBSD__)
-+E void FDECL(srandom, (unsigned long));
++#include <stdlib.h> /* srandom() differs between versions of FreeBSD. */
 +#elif (!defined(SUNOS4) && !defined(bsdi) && !defined(__FreeBSD__)) \
      || defined(RANDOM)
  E void FDECL(srandom, (unsigned int));