diff --git a/systemd.spec b/systemd.spec
index 41cbd5b..331e326 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -49,6 +49,7 @@ Patch1000:      kernel-install-grubby.patch
 %global num_patches %{lua: c=0; for i,p in ipairs(patches) do c=c+1; end; print(c);}
 
 BuildRequires:  libcap-devel
+BuildRequires:  libmount-devel
 BuildRequires:  pam-devel
 BuildRequires:  libselinux-devel
 BuildRequires:  audit-libs-devel