diff --git a/src/libretro/Makefile.common b/src/libretro/Makefile.common
index 66de31b4d..994628725 100644
--- a/src/libretro/Makefile.common
+++ b/src/libretro/Makefile.common
@@ -39,6 +39,7 @@ SOURCES_CXX := \
 	$(CORE_DIR)/emucore/Bankswitch.cxx \
 	$(CORE_DIR)/emucore/Booster.cxx \
 	$(CORE_DIR)/emucore/Cart.cxx \
+	$(CORE_DIR)/emucore/CartCreator.cxx \
 	$(CORE_DIR)/emucore/CartDetector.cxx \
 	$(CORE_DIR)/emucore/CartEnhanced.cxx \
 	$(CORE_DIR)/emucore/Cart0840.cxx \