diff --git a/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache b/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
index 67d60535987..cdbf87653d6 100644
--- a/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
+++ b/modules/openapi-generator/src/main/resources/cpp-ue4/helpers-header.mustache
@@ -126,6 +126,16 @@ inline FString ToString(const FString& Value)
 	return Value;
 }
 
+inline FString ToString(bool Value)
+{
+	return Value ? TEXT("true") : TEXT("false");
+}
+
+inline FStringFormatArg ToStringFormatArg(bool Value)
+{
+	return FStringFormatArg(ToString(Value));
+}
+
 inline FString ToString(const TArray<uint8>& Value)
 {
 	return Base64UrlEncode(Value);