diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dc469a0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/sysbench/GPATH
+/sysbench/GRTAGS
+/sysbench/GTAGS
diff --git a/sysbench/sysbench.c b/sysbench/sysbench.c
index 969ff2b..3cab971 100644
--- a/sysbench/sysbench.c
+++ b/sysbench/sysbench.c
@@ -955,7 +955,7 @@ static int init(void)
   long              res;
 
   sb_globals.num_threads = sb_get_value_int("num-threads");
-  if (sb_globals.num_threads <= 0)
+  if (sb_globals.num_threads == 0)
   {
     log_text(LOG_FATAL, "Invalid value for --num-threads: %d.\n", sb_globals.num_threads);
     return 1;
diff --git a/sysbench/tests/fileio/sb_fileio.c b/sysbench/tests/fileio/sb_fileio.c
index ccbab82..42a43e0 100644
--- a/sysbench/tests/fileio/sb_fileio.c
+++ b/sysbench/tests/fileio/sb_fileio.c
@@ -1746,7 +1746,7 @@ int parse_arguments(void)
   
   num_files = sb_get_value_int("file-num");
 
-  if (num_files <= 0)
+  if (num_files == 0)
   {
     log_text(LOG_FATAL, "Invalid value for file-num: %d", num_files);
     return 1;