diff --git a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/ConstantData.kt b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/ConstantData.kt
index be67f2684a6..2c6060dd5ac 100644
--- a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/ConstantData.kt
+++ b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/ir2wasm/ConstantData.kt
@@ -102,5 +102,5 @@ fun Int.toLittleEndianBytes(): ByteArray {
 }
 
 fun Char.toLittleEndianBytes(): ByteArray {
-    return byteArrayOf((this.code and 0xFF).toByte(), (this.code and 0xFF00).toByte())
+    return byteArrayOf((this.code and 0xFF).toByte(), (this.code ushr Byte.SIZE_BITS).toByte())
 }
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