diff --git a/src/modules/cpu.cpp b/src/modules/cpu.cpp
index 20e117be..b953a4f7 100644
--- a/src/modules/cpu.cpp
+++ b/src/modules/cpu.cpp
@@ -7,7 +7,8 @@ waybar::modules::Cpu::Cpu(Json::Value config)
   _label.get_style_context()->add_class("cpu");
   _thread = [this] {
     update();
-    _thread.sleep_for(chrono::seconds(10));
+    int interval = _config["interval"] ? _config["inveral"].asInt() : 10;
+    _thread.sleep_for(chrono::seconds(interval));
   };
 };
 
diff --git a/src/modules/memory.cpp b/src/modules/memory.cpp
index bb981f42..856bd289 100644
--- a/src/modules/memory.cpp
+++ b/src/modules/memory.cpp
@@ -7,7 +7,8 @@ waybar::modules::Memory::Memory(Json::Value config)
   _label.get_style_context()->add_class("memory");
   _thread = [this] {
     update();
-    _thread.sleep_for(chrono::seconds(30));
+    int interval = _config["interval"] ? _config["inveral"].asInt() : 30;
+    _thread.sleep_for(chrono::seconds(interval));
   };
 };