diff --git a/python-cryptography.changes b/python-cryptography.changes
index da0a175..4ed76d2 100644
--- a/python-cryptography.changes
+++ b/python-cryptography.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Mar  2 21:47:58 UTC 2016 - dimstar@opensuse.org
+
+- Add pkg-config BuildRequires: in order for the last introduced
+  condition to apply the patch to work, pkg-config has to be
+  present.
+
 -------------------------------------------------------------------
 Wed Mar  2 14:19:46 UTC 2016 - meissner@suse.com
 
diff --git a/python-cryptography.spec b/python-cryptography.spec
index 68947c7..11132f1 100644
--- a/python-cryptography.spec
+++ b/python-cryptography.spec
@@ -33,6 +33,7 @@ Patch1:         disable-uneven-sizes-tests.patch
 # PATCH-FIX-OPENSUSE cryptography-new-bio-new-type.patch fix build with openssl 1.0.2g
 Patch2:         cryptography-new-bio-new-type.patch
 BuildRequires:  libopenssl-devel
+BuildRequires:  pkg-config
 BuildRequires:  python-cffi >= 1.1.0
 BuildRequires:  python-devel
 BuildRequires:  python-enum34