diff --git a/openigtlink.spec b/openigtlink.spec
index 5c16985..b2b5c4a 100644
--- a/openigtlink.spec
+++ b/openigtlink.spec
@@ -16,6 +16,8 @@ Patch0:		openigtlink-remove_broken_code.patch
 BuildRequires:	gcc-c++
 BuildRequires:	cmake
 
+# bug #1427300
+ExcludeArch:	ppc64
 
 %description
 OpenIGTLink is a network communication protocol specifically designed and