diff --git a/cmake/FindCUDA.cmake b/cmake/FindCUDA.cmake
index 9261da4..1f6a060 100644
--- a/cmake/FindCUDA.cmake
+++ b/cmake/FindCUDA.cmake
@@ -120,7 +120,7 @@ MACRO (WRAP_CUDA outfiles)
 	FOREACH (CUFILE ${ARGN})
 		GET_FILENAME_COMPONENT (CUFILE ${CUFILE} ABSOLUTE)
 		GET_FILENAME_COMPONENT (CFILE ${CUFILE} NAME_WE)
-		SET (CFILE ${CMAKE_CURRENT_BINARY_DIR}/${CFILE}.gen.c)
+		SET (CFILE ${CMAKE_CURRENT_BINARY_DIR}/${CFILE}.gen.cpp)
 
 		GET_CUFILE_DEPENDENCIES(CUDEPS ${CUFILE})
 		#MESSAGE("${CUDEPS}")