diff --git a/lib/std/os/linux/test.zig b/lib/std/os/linux/test.zig
index 24c96cdd70..e57ef3a6e4 100644
--- a/lib/std/os/linux/test.zig
+++ b/lib/std/os/linux/test.zig
@@ -24,7 +24,10 @@ test "fallocate" {
         0 => {},
         linux.ENOSYS => return error.SkipZigTest,
         linux.EOPNOTSUPP => return error.SkipZigTest,
-        else => unreachable,
+        else |errno| => {
+            std.debug.print("Unhandled Errno:" errno);
+            return error.SkipZigTest;
+        },
     }
 
     expect((try file.stat()).size == len);