1 files changed, 2 insertions, 1 deletions

diff --git a/src/firejail/output.c b/src/firejail/output.c
index f7e6856dd..b92615f88 100644
--- a/src/firejail/output.c
+++ b/src/firejail/output.c
@@ -122,7 +122,8 @@ void check_output(int argc, char **argv) {
         }
         bool found_separator = false;
         /* copy argv into args, but drop --output(-stderr) arguments */
-        for (int i = 0, j = 0; i < argc; i++) {
+        int j;
+        for (i = 0, j = 0; i < argc; i++) {
                 if (!found_separator && i > 0) {
                         if (strncmp(argv[i], "--output=", 9) == 0) {
                                 continue;