diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 42007fe3..51571447 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -321,8 +321,12 @@ if (BUILDSWIGNODE)
                                      "${CMAKE_CURRENT_SOURCE_DIR}/*.hpp"
                                      "${CMAKE_CURRENT_SOURCE_DIR}/*.hxx")
         foreach (srcfile ${srcfiles})
+          get_filename_component(csource ${srcfile} NAME_WE)
           file (COPY ${CMAKE_CURRENT_SOURCE_DIR}/${srcfile} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/jsupm_${libname})
-          if (${srcfile} MATCHES ".c" OR ${srcfile} MATCHES ".cxx" OR ${srcfile} MATCHES ".cpp")
+          if(${srcfile} MATCHES ".c$")
+            file (RENAME ${CMAKE_CURRENT_BINARY_DIR}/jsupm_${libname}/${srcfile} ${CMAKE_CURRENT_BINARY_DIR}/jsupm_${libname}/${csource}_c.c)
+            set (upm_LIB_SRCS_GYP "'${csource}_c.c',\n${upm_LIB_SRCS_GYP}")
+          elseif (${srcfile} MATCHES ".cxx$" OR ${srcfile} MATCHES ".cpp$")
             set (upm_LIB_SRCS_GYP "'${srcfile}',\n${upm_LIB_SRCS_GYP}")
           endif ()
         endforeach ()