1 files changed, 1 insertions, 1 deletions

diff --git a/cmake/CompileGTest.cmake b/cmake/CompileGTest.cmake
index b7e0175f..f9aa4506 100644
--- a/cmake/CompileGTest.cmake
+++ b/cmake/CompileGTest.cmake
@@ -50,7 +50,7 @@ endif()
 
 function(unit_test subdir target)
   if(HAVE_GTEST)
-    add_executable(unit_${target}_test ${subdir}/${target}_test.cpp)
+    add_executable(unit_${target}_test ${subdir}/${target}_test.cc)
     target_link_modules(unit_${target}_test toxcore gtest)
     set_target_properties(unit_${target}_test PROPERTIES COMPILE_FLAGS "${TEST_CXX_FLAGS}")
     add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} unit_${target}_test)