diff --git a/man3/getsubopt.3 b/man3/getsubopt.3
index 6d9091943..a4ba75515 100644
--- a/man3/getsubopt.3
+++ b/man3/getsubopt.3
@@ -144,7 +144,8 @@ The following program expects suboptions following a "\-o" option.
 #include <assert.h>
 #include <stdio.h>
 
-int main(int argc, char **argv)
+int
+main(int argc, char **argv)
 {
     enum {
         RO_OPT = 0,