1 files changed, 4 insertions, 4 deletions

diff --git a/src/firejail/usage.c b/src/firejail/usage.c
index beedb3ce2..8598abd9d 100644
--- a/src/firejail/usage.c
+++ b/src/firejail/usage.c
@@ -320,16 +320,16 @@ static const char *const usage_str =
         "License GPL version 2 or later\n"
         "Homepage: https://firejail.wordpress.com\n";
 
-void print_version(void) {
-        printf("firejail version %s\n\n", VERSION);
+void print_version(FILE *stream) {
+        fprintf(stream, "firejail version %s\n\n", VERSION);
 }
 
 void print_version_full(void) {
-        print_version();
+        print_version(stdout);
         print_compiletime_support();
 }
 
 void usage(void) {
-        print_version();
+        print_version(stdout);
         puts(usage_str);
 }