diff --git a/podofo.spec b/podofo.spec
index 27c3f94..8d4b704 100644
--- a/podofo.spec
+++ b/podofo.spec
@@ -1,6 +1,6 @@
 Name:           podofo
 Version:        0.9.1
-Release:        14%{?dist}
+Release:        15%{?dist}
 Summary:        Tools and libraries to work with the PDF file format
 
 Group:          Applications/Publishing
@@ -72,7 +72,7 @@ rm cmake/modules/FindZLIB.cmake
 
 %build
 %cmake -DPODOFO_BUILD_SHARED=1 \
-%ifarch x86_64 ppc64 s390x sparc64
+%if %{__isa_bits} == 64
 -DWANT_LIB64=1 \
 %endif
 .
@@ -110,6 +110,9 @@ make install DESTDIR=$RPM_BUILD_ROOT
 
 
 %changelog
+* Fri Jun 20 2014 Yaakov Selkowitz <yselkowi@redhat.com> - 0.9.1-15
+- Fix FTBFS on aarch64 (#1111745)
+
 * Tue Jun 10 2014 Dan Horák <dan[at]danny.cz> - 0.9.1-14
 - fix FTBFS (#1106651)
 - spec cleanup