diff --git a/src/devices/IKeyboard.hpp b/src/devices/IKeyboard.hpp
index d288c8ba..2980a5b1 100644
--- a/src/devices/IKeyboard.hpp
+++ b/src/devices/IKeyboard.hpp
@@ -82,8 +82,8 @@ class IKeyboard : public IHID {
         uint32_t depressed = 0, latched = 0, locked = 0, group = 0;
     } modifiersState;
 
-    std::array<xkb_led_index_t, 3> ledIndexes;
-    std::array<xkb_mod_index_t, 8> modIndexes;
+    std::array<xkb_led_index_t, 3> ledIndexes = {0};
+    std::array<xkb_mod_index_t, 8> modIndexes = {0};
     uint32_t                       leds = 0;
 
     std::string                    hlName          = "";