diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index f51c309..2449599 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -101,6 +101,7 @@ target_include_directories(librw
 
 target_compile_definitions(librw
     PRIVATE
+        LODEPNG_NO_COMPILE_CPP
         "$<IF:$<CONFIG:DEBUG>,DEBUG,NDEBUG>"
     PUBLIC
         "RW_${LIBRW_PLATFORM}"