diff --git a/src/bin/keymap/Keymap.cpp b/src/bin/keymap/Keymap.cpp
index c213def80b..35d26db7bf 100644
--- a/src/bin/keymap/Keymap.cpp
+++ b/src/bin/keymap/Keymap.cpp
@@ -64,6 +64,7 @@ Keymap::Keymap()
 	fChars(NULL),
 	fCharsSize(0)
 {
+	memset(&fKeys, 0, sizeof(fKeys));
 }