diff --git a/CMakeLists.txt b/CMakeLists.txt
index fcc1e9a..df31f38 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -227,6 +227,9 @@ add_executable(
     src/packages/midi/IZ_midi.c
     src/packages/midi/IZ_midi.h
 
+    src/packages/stdinc/IZ_string.h
+    __mocks__/src/packages/stdinc/IZ_string.mock.h
+
     src/packages/game/input/input.test.c
 )
 
diff --git a/src/packages/game/input/input.test.c b/src/packages/game/input/input.test.c
index 88bd013..da70c02 100644
--- a/src/packages/game/input/input.test.c
+++ b/src/packages/game/input/input.test.c
@@ -1,9 +1,10 @@
+#include <bdd-for-c.h>
 #include "../../../../__mocks__/dependencies/SDL2/SDL_keyboard.mock.h"
 #include "../../../../__mocks__/dependencies/SDL2/SDL_joystick.mock.h"
 #include "../../../../__mocks__/dependencies/SDL2/SDL_stdinc.mock.h"
 #include "../../../../__mocks__/dependencies/minIni/minIni.mock.h"
 #include "../../../../__mocks__/dependencies/portmidi/portmidi.mock.h"
-//#include "../../stdinc/IZ_string.h"
+#include "../../../../__mocks__/src/packages/stdinc/IZ_string.mock.h"
 #include "IZ_keyboard.h"
 #include "IZ_joystick.h"
 #include "IZ_midi.h"
diff --git a/src/packages/game/output/output.test.c b/src/packages/game/output/output.test.c
index fe3eb85..e354ba0 100644
--- a/src/packages/game/output/output.test.c
+++ b/src/packages/game/output/output.test.c
@@ -1,3 +1,4 @@
+#include <bdd-for-c.h>
 #include "../../../../__mocks__/dependencies/minIni/minIni.mock.h"
 #include "../../../../__mocks__/dependencies/SDL2/SDL_stdinc.mock.h"
 #include "../../../../__mocks__/dependencies/SDL2/SDL_render.mock.h"