diff --git a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmLoweringPhases.kt b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmLoweringPhases.kt
index 7c795afdc2d..7bad69b90db 100644
--- a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmLoweringPhases.kt
+++ b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/WasmLoweringPhases.kt
@@ -515,12 +515,12 @@ val wasmPhases = NamedCompilerPhase(
             addContinuationToNonLocalSuspendFunctionsLoweringPhase then
             addContinuationToFunctionCallsLoweringPhase then
 
-            stringConstructorLowering then
             tryCatchCanonicalization then
             returnableBlockLoweringPhase then
 
             forLoopsLoweringPhase then
             propertyAccessorInlinerLoweringPhase then
+            stringConstructorLowering then
 
             defaultArgumentStubGeneratorPhase then
             defaultArgumentPatchOverridesPhase then
diff --git a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/lower/BuiltInsLowering.kt b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/lower/BuiltInsLowering.kt
index 77b7d14a5a7..26540d9f63a 100644
--- a/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/lower/BuiltInsLowering.kt
+++ b/compiler/ir/backend.wasm/src/org/jetbrains/kotlin/backend/wasm/lower/BuiltInsLowering.kt
@@ -103,7 +103,9 @@ class BuiltInsLowering(val context: WasmBackendContext) : FileLoweringPass {
                 return builder.irCall(symbols.throwNoBranchMatchedException, irBuiltins.nothingType)
 
             irBuiltins.illegalArgumentExceptionSymbol ->
-                return builder.irCall(symbols.throwIAE, irBuiltins.nothingType)
+                return builder.irCall(symbols.throwIAE, irBuiltins.nothingType, 1).apply {
+                    putValueArgument(0, call.getValueArgument(0)!!)
+                }
 
             irBuiltins.dataClassArrayMemberHashCodeSymbol -> {
                 // TODO: Implement
diff --git a/libraries/stdlib/wasm/internal/kotlin/wasm/internal/ThrowHelpers.kt b/libraries/stdlib/wasm/internal/kotlin/wasm/internal/ThrowHelpers.kt
index 0ad0ffa81fc..022d7b22384 100644
--- a/libraries/stdlib/wasm/internal/kotlin/wasm/internal/ThrowHelpers.kt
+++ b/libraries/stdlib/wasm/internal/kotlin/wasm/internal/ThrowHelpers.kt
@@ -17,8 +17,8 @@ internal fun THROW_ISE(): Nothing {
     throw IllegalStateException()
 }
 
-internal fun THROW_IAE(): Nothing {
-    throw IllegalArgumentException()
+internal fun THROW_IAE(message: String): Nothing {
+    throw IllegalArgumentException(message)
 }
 
 internal fun throwNoBranchMatchedException(): Nothing {