diff --git a/src/shared/userdb.c b/src/shared/userdb.c
index 6fedbd6ebe..3fc333fd35 100644
--- a/src/shared/userdb.c
+++ b/src/shared/userdb.c
@@ -1231,7 +1231,7 @@ int userdb_block_nss_systemd(int b) {
 
         /* Note that we might be called from libnss_systemd.so.2 itself, but that should be fine, really. */
 
-        dl = dlopen(ROOTLIBDIR "libnss_systemd.so.2", RTLD_LAZY|RTLD_NODELETE);
+        dl = dlopen(ROOTLIBDIR "/libnss_systemd.so.2", RTLD_LAZY|RTLD_NODELETE);
         if (!dl) {
                 /* If the file isn't installed, don't complain loudly */
                 log_debug("Failed to dlopen(libnss_systemd.so.2), ignoring: %s", dlerror());