diff --git a/tests/System Abstraction/2/openNewFiletest.c b/tests/System Abstraction/2/openNewFiletest.c
index d76e7bb..fee8c7b 100644
--- a/tests/System Abstraction/2/openNewFiletest.c	
+++ b/tests/System Abstraction/2/openNewFiletest.c	
@@ -1,4 +1,4 @@
-#include "../../../System Abstraction/cdb_sustem.h"
+#include "../../../System Abstraction/cdb_system.h"
 #include "stdio.h"
 
 void main(){
diff --git a/tests/System Abstraction/4/renameFiletest.c b/tests/System Abstraction/4/renameFiletest.c
index 21ca431..6867a66 100644
--- a/tests/System Abstraction/4/renameFiletest.c	
+++ b/tests/System Abstraction/4/renameFiletest.c	
@@ -1,4 +1,4 @@
-#include "../../../System Abstraction/cdb_sustem.h"
+#include "../../../System Abstraction/cdb_system.h"
 #include "stdio.h"
 
 int main() {
diff --git a/tests/System Abstraction/5/threadsTest.c b/tests/System Abstraction/5/threadsTest.c
index c5c7c9b..7a030ff 100644
--- a/tests/System Abstraction/5/threadsTest.c	
+++ b/tests/System Abstraction/5/threadsTest.c	
@@ -1,4 +1,4 @@
-#include "../../../System Abstraction/cdb_sustem.h"
+#include "../../../System Abstraction/cdb_system.h"
 #include <stdio.h>
 
 __attribute__ ((sysv_abi)) void testProc(void * arg){