diff --git a/lib/std/process.zig b/lib/std/process.zig
index 138f5feeb8f128bd3b2d6ed04c6a971a972df926..b901a9f0fa0c3a01d51abb260149a97966621b2f 100644
--- a/lib/std/process.zig
+++ b/lib/std/process.zig
@@ -293,6 +293,10 @@ pub fn getEnvMap(allocator: Allocator) !EnvMap {
             return os.unexpectedErrno(environ_sizes_get_ret);
         }
 
+        if (environ_count == 0) {
+            return result;
+        }
+
         var environ = try allocator.alloc([*:0]u8, environ_count);
         defer allocator.free(environ);
         var environ_buf = try allocator.alloc(u8, environ_buf_size);
@@ -468,6 +472,10 @@ pub const ArgIteratorWasi = struct {
             else => |err| return os.unexpectedErrno(err),
         }
 
+        if (count == 0) {
+            return &[_][:0]u8{};
+        }
+
         var argv = try allocator.alloc([*:0]u8, count);
         defer allocator.free(argv);