diff --git a/ethercat.c b/ethercat.c
index df54db9..2aa532f 100644
--- a/ethercat.c
+++ b/ethercat.c
@@ -45,7 +45,7 @@ int main(int argc, char** argv) {
   if (argc != 2) {
     fprintf(stderr, "Usage: %s TAP\n", argv[0]);
     return EXIT_USAGE;
-  } else if ((strlen(argv[1])==2 && strncmp(argv[1], "-h", 2)==0) || (strlen(argv[1])==6 &&strncmp(argv[1], "--help", 6))) {
+  } else if ((strlen(argv[1])==2 && strncmp(argv[1], "-h", 2)==0) || (strlen(argv[1])==6 && strncmp(argv[1], "--help", 6)==0)) {
     fprintf(stdout, "Usage: %s TAP\n", argv[0]);
     return EXIT_SUCCESS;
   }