diff --git a/libical.changes b/libical.changes
index 8b3883c..30d0bc8 100644
--- a/libical.changes
+++ b/libical.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep 26 05:25:01 UTC 2014 - coolo@suse.com
+
+- disable parallel build, too unreliable
+
 -------------------------------------------------------------------
 Thu Sep 18 08:28:26 UTC 2014 - jengelh@inai.de
 
diff --git a/libical.spec b/libical.spec
index 8d90f73..076199c 100644
--- a/libical.spec
+++ b/libical.spec
@@ -89,7 +89,7 @@ component properties, parameters, and subcomponents.
 
 %build
 %cmake
-make %{?_smp_mflags}
+make -j1
 
 %install
 %cmake_install