diff --git a/tests/System Abstraction/5/threadsTest.c b/tests/System Abstraction/5/threadsTest.c
index 19864f4..52a1cd4 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>
 
-__attribute__ ((sysv_abi)) int testProc(void * arg){
+__attribute__ ((sysv_abi)) void testProc(void * arg){
     printf("in testProc ... Going to sleep, %i\n", *(int *)arg);
     sus_threadSleep(5);
     printf("after sleeping in testProc\n");