diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index 1871a4363e..2d541fe701 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -1713,7 +1713,7 @@ static void kernel_syscalls_remove(Set *s, const SyscallFilterSet *set) {
                 if (syscall[0] == '@')
                         continue;
 
-                (void) set_remove(s, syscall);
+                free(set_remove(s, syscall));
         }
 }