diff --git a/samples/client/petstore/qt5cpp/PetStore/PetStore.pro b/samples/client/petstore/qt5cpp/PetStore/PetStore.pro
index 70b3618cba6..64f27a3c924 100644
--- a/samples/client/petstore/qt5cpp/PetStore/PetStore.pro
+++ b/samples/client/petstore/qt5cpp/PetStore/PetStore.pro
@@ -28,6 +28,7 @@ SOURCES += main.cpp \
     ../client/SWGTag.cpp \
     ../client/SWGUser.cpp \
     ../client/SWGUserApi.cpp \
+    ../client/SWGApiResponse.cpp \
     PetApiTests.cpp
 
 HEADERS += \
@@ -43,4 +44,5 @@ HEADERS += \
     ../client/SWGUser.h \
     ../client/SWGUserApi.h \
     PetApiTests.h \
+    ../client/SWGApiResponse.h \
     ../client/SWGModelFactory.h