diff --git a/ceph.spec.in b/ceph.spec.in
index 82c9d073980..54ec26d3e9f 100644
--- a/ceph.spec.in
+++ b/ceph.spec.in
@@ -42,6 +42,7 @@ BuildRequires:  libcurl-devel
 BuildRequires:  libxml2-devel
 BuildRequires:  libuuid-devel
 BuildRequires:  leveldb-devel > 1.2
+BuildRequires:  yasm
 %if 0%{?rhel_version} || 0%{?centos_version} || 0%{?fedora}
 BuildRequires:  snappy-devel
 %endif
diff --git a/debian/control b/debian/control
index 195cb37fe62..44ee725efd4 100644
--- a/debian/control
+++ b/debian/control
@@ -34,7 +34,8 @@ Build-Depends: autoconf,
                libxml2-dev,
                pkg-config,
                python (>= 2.6.6-3~),
-               uuid-dev
+               uuid-dev,
+               yasm
 Standards-Version: 3.9.3
 
 Package: ceph