diff --git a/tests/System Abstraction/5/threadTests.exe b/tests/System Abstraction/5/threadTests.exe
index 2e802ab..e217659 100644
Binary files a/tests/System Abstraction/5/threadTests.exe and b/tests/System Abstraction/5/threadTests.exe differ
diff --git a/tests/System Abstraction/5/threadsTest.c b/tests/System Abstraction/5/threadsTest.c
index b8bd3a6..19864f4 100644
--- a/tests/System Abstraction/5/threadsTest.c	
+++ b/tests/System Abstraction/5/threadsTest.c	
@@ -1,7 +1,7 @@
 #include "../../../System Abstraction/cdb_sustem.h"
 #include <stdio.h>
 
-sus_threadProc testProc(void * arg){
+__attribute__ ((sysv_abi)) int testProc(void * arg){
     printf("in testProc ... Going to sleep, %i\n", *(int *)arg);
     sus_threadSleep(5);
     printf("after sleeping in testProc\n");
@@ -9,7 +9,7 @@ sus_threadProc testProc(void * arg){
 
 int main(){
     int amogus = 1234567;
-    printf("Thread creation succesfull? %i\n", sus_threadNew(testProc, &amogus));
+    printf("Thread creation succesfull? %i\n", sus_threadNew(&testProc, &amogus));
     printf("Going to sleep in main Thread\n");
     sus_threadSleep(10);
     printf("After sleeping in main Thread\n");