diff --git a/logmask.c b/logmask.c
index 846bde0..b3a3397 100755
--- a/logmask.c
+++ b/logmask.c
@@ -3,7 +3,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-int main()
+void main()
 {
     int logmask;