diff --git a/images/benchmarks/syscallbench/syscallbench.c b/images/benchmarks/syscallbench/syscallbench.c
index 11912916a..fed56987a 100644
--- a/images/benchmarks/syscallbench/syscallbench.c
+++ b/images/benchmarks/syscallbench/syscallbench.c
@@ -52,7 +52,7 @@ int main(int argc, char *argv[]) {
                                   {0, 0, 0, 0}};
   int option_index = 0;
 
-  while ((c = getopt_long(argc, argv, "l:s", long_options, &option_index)) !=
+  while ((c = getopt_long(argc, argv, "l:s:", long_options, &option_index)) !=
          -1) {
     switch (c) {
       case 'l':
diff --git a/test/benchmarks/base/syscallbench_test.go b/test/benchmarks/base/syscallbench_test.go
index 3e9881a76..c5738c8e3 100644
--- a/test/benchmarks/base/syscallbench_test.go
+++ b/test/benchmarks/base/syscallbench_test.go
@@ -68,7 +68,7 @@ func BenchmarkSyscallbench(b *testing.B) {
 				b.Fatalf("run failed with: %v", err)
 			}
 			b.Run(name, func(b *testing.B) {
-				cmd := []string{"syscallbench", fmt.Sprintf("--loops=%d --syscall %d", b.N, tc.syscallArg)}
+				cmd := []string{"syscallbench", fmt.Sprintf("--loops=%d", b.N), fmt.Sprintf("--syscall=%d", tc.syscallArg)}
 				b.ResetTimer()
 				out, err := container.Exec(ctx, dockerutil.ExecOpts{}, cmd...)
 				if err != nil {