diff --git a/infra/tcp_reassembly/CMakeLists.txt b/infra/tcp_reassembly/CMakeLists.txt
index 0fa35a7..95f7c26 100644
--- a/infra/tcp_reassembly/CMakeLists.txt
+++ b/infra/tcp_reassembly/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_library(tcp_reassembly tcp_reassembly.cpp)
+add_library(tcp_reassembly tcp_reassembly.c)
 target_include_directories(tcp_reassembly PUBLIC ${CMAKE_CURRENT_LIST_DIR})
 target_include_directories(tcp_reassembly PUBLIC ${CMAKE_SOURCE_DIR}/deps/list)
 target_include_directories(tcp_reassembly PUBLIC ${CMAKE_SOURCE_DIR}/include)
diff --git a/infra/tcp_reassembly/tcp_reassembly.cpp b/infra/tcp_reassembly/tcp_reassembly.c
similarity index 100%
rename from infra/tcp_reassembly/tcp_reassembly.cpp
rename to infra/tcp_reassembly/tcp_reassembly.c