diff --git a/cmake/TestCase.cmake b/cmake/TestCase.cmake
index de9597df1..f4fd99d99 100644
--- a/cmake/TestCase.cmake
+++ b/cmake/TestCase.cmake
@@ -3,9 +3,9 @@ macro(test_case)
   set(libs ${ARGV})
   list(REMOVE_AT libs 0 0)
 
-  add_executable(${trgt} "${trgt}_test.cpp")
+  add_executable(${trgt} $<TARGET_OBJECTS:catch_main> "${trgt}_test.cpp")
   target_include_directories(${trgt} PRIVATE "${CMAKE_SOURCE_DIR}/test/common")
-  target_link_libraries(${trgt} PRIVATE celestia catch_main ${libs})
+  target_link_libraries(${trgt} PRIVATE celestia ${libs})
   add_test(${trgt} ${trgt})
   set_target_properties(${trgt} PROPERTIES FOLDER test/unit)
 endmacro()