diff --git a/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt b/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt
index 9fbd12745f..b1ab03e5db 100644
--- a/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt
+++ b/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/model/constructor/tree/CgMethodConstructor.kt
@@ -451,7 +451,7 @@ internal class CgMethodConstructor(val context: CgContext) : CgContextOwner by c
                             longClassId -> "${longWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
                             byteClassId -> "${byteWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
                             booleanClassId -> "${booleanWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
-                            charClassId -> "${intWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
+                            charClassId -> "${charWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
                             floatClassId -> "${floatWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
                             doubleWrapperClassId -> "${doubleWrapperClassId.simpleName.capitalize()}.valueOf(actual)"
                             else -> "actual"