diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 61e5ff86f..a99bd2f41 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -482,6 +482,12 @@ target_compile_definitions(SRB2SDL2 PRIVATE -DCMAKECONFIG)
 if(SRB2_CONFIG_DEBUGMODE)
 	target_compile_definitions(SRB2SDL2 PRIVATE -DZDEBUG -DPARANOIA -DRANGECHECK -DPACKETDROP)
 endif()
+if(SRB2_CONFIG_TESTERS)
+	target_compile_definitions(SRB2SDL2 PRIVATE -DTESTERS)
+endif()
+if(SRB2_CONFIG_HOSTTESTERS)
+	target_compile_definitions(SRB2SDL2 PRIVATE -DHOSTTESTERS)
+endif()
 if(SRB2_CONFIG_MOBJCONSISTANCY)
 	target_compile_definitions(SRB2SDL2 PRIVATE -DMOBJCONSISTANCY)
 endif()