diff --git a/mayhem-party b/mayhem-party
deleted file mode 100755
index 0267c30..0000000
Binary files a/mayhem-party and /dev/null differ
diff --git a/src/device/output/key/char.go b/src/device/output/key/char.go
index f22b55d..99caff5 100644
--- a/src/device/output/key/char.go
+++ b/src/device/output/key/char.go
@@ -57,7 +57,7 @@ func ToChar(k Key) byte {
 }
 
 func FromChar(b byte) Key {
-	if b < 'a' {
+	if 'A' <= b && b <= 'Z' {
 		b += 'a' - 'A'
 	}
 	v, ok := charToKey[b]
diff --git a/src/device/output/key/char_test.go b/src/device/output/key/char_test.go
index 9f705f7..70ef594 100644
--- a/src/device/output/key/char_test.go
+++ b/src/device/output/key/char_test.go
@@ -3,6 +3,9 @@ package key
 import "testing"
 
 func TestFromChar(t *testing.T) {
+	if got := FromChar('1'); got != N1 {
+		t.Error(got)
+	}
 	if got := FromChar('a'); got != A {
 		t.Error(got)
 	}
diff --git a/testdata/INPUT_REMAP_FILE.yaml b/testdata/INPUT_REMAP_FILE.yaml
index 80eac00..6c52cd8 100644
--- a/testdata/INPUT_REMAP_FILE.yaml
+++ b/testdata/INPUT_REMAP_FILE.yaml
@@ -2,3 +2,9 @@ w: i
 a: j
 s: k
 d: l
+q: u
+e: o
+1: 0
+2: 9
+3: 8
+4: 7