diff --git a/pkgs/development/skaware-packages/skalibs/default.nix b/pkgs/development/skaware-packages/skalibs/default.nix
index fec66a095ce1..bf52599b7591 100644
--- a/pkgs/development/skaware-packages/skalibs/default.nix
+++ b/pkgs/development/skaware-packages/skalibs/default.nix
@@ -33,6 +33,15 @@ skawarePackages.buildPackage {
 
     ]
     ++ lib.optionals (stdenv.buildPlatform.config != stdenv.hostPlatform.config) [
+      # There's a fallback path for BSDs.
+      "--with-sysdep-procselfexe=${
+        if stdenv.hostPlatform.isLinux then
+          "/proc/self/exe"
+        else if stdenv.hostPlatform.isSunOS then
+          "/proc/self/path/a.out"
+        else
+          "none"
+      }"
       # ./configure: sysdep posixspawnearlyreturn cannot be autodetected
       # when cross-compiling. Please manually provide a value with the
       # --with-sysdep-posixspawnearlyreturn=yes|no|... option.