diff --git a/include/sdbusplus/bus.hpp b/include/sdbusplus/bus.hpp
index 2b7b1bd..c30d0d8 100644
--- a/include/sdbusplus/bus.hpp
+++ b/include/sdbusplus/bus.hpp
@@ -163,13 +163,19 @@
      *
      *  @param[in] timeout_us - Timeout in usec.
      */
-    void wait(uint64_t timeout_us)
+    int wait(uint64_t timeout_us)
     {
-        _intf->sd_bus_wait(_bus.get(), timeout_us);
+        int r = _intf->sd_bus_wait(_bus.get(), timeout_us);
+        if (r < 0)
+        {
+            throw exception::SdBusError(-r, "sd_bus_wait");
+        }
+        return r;
     }
-    void wait(std::optional<SdBusDuration> timeout = std::nullopt)
+
+    int wait(std::optional<SdBusDuration> timeout = std::nullopt)
     {
-        wait(timeout ? timeout->count() : UINT64_MAX);
+        return wait(timeout ? timeout->count() : UINT64_MAX);
     }
 
     /** @brief Process waiting dbus messages or signals. */