2 files changed, 4 insertions, 3 deletions

diff --git a/tests/test09 b/tests/test09
index cf9d6c2c..7855a69d 100755
--- a/tests/test09
+++ b/tests/test09
Binary files differdiff --git a/tests/test09.c b/tests/test09.c
index e4a56050..dadff215 100755
--- a/tests/test09.c
+++ b/tests/test09.c
@@ -1,5 +1,6 @@
 #include <stdio.h> 
-#include <sys/types.h> 
+#include <sys/types.h>
+#include <sys/wait.h>
 #include <unistd.h> 
   
 void forkexample() 
@@ -9,7 +10,7 @@ void forkexample()
     if (fork() == 0) 
         printf("Child has x = %d\n", ++x); 
     else {
-        usleep(20000);
+        wait(NULL);
         printf("Parent has x = %d\n", --x); 
     }
 } 
@@ -17,4 +18,4 @@ int main()
 { 
     forkexample(); 
     return 0; 
-} 
\ No newline at end of file
+}