diff --git a/src/basic/limits-util.c b/src/basic/limits-util.c
index d48d67dbf77..02fbe92cc77 100644
--- a/src/basic/limits-util.c
+++ b/src/basic/limits-util.c
@@ -28,6 +28,8 @@ uint64_t physical_memory(void) {
         assert(sc > 0);
 
         ps = page_size();
+        /* Silence static analyzers */
+        assert((uint64_t) sc <= UINT64_MAX / (uint64_t) ps);
         mem = (uint64_t) sc * (uint64_t) ps;
 
         r = cg_get_root_path(&root);