diff --git a/clamav.changes b/clamav.changes
index 7e0b3a2..8f54e05 100644
--- a/clamav.changes
+++ b/clamav.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Sun Dec 15 16:03:46 UTC 2013 - uweigand@de.ibm.com
+
+- fix build failures on ppc64le:
+  * fanotify is only supported on x86 platforms
+  * building tomsfastmath on (non-x86) 64-bit platforms requires -DFP_64BIT
+
 -------------------------------------------------------------------
 Sat Sep 28 07:35:34 UTC 2013 - meissner@suse.com
 
diff --git a/clamav.spec b/clamav.spec
index 6f7eefb..57ff551 100644
--- a/clamav.spec
+++ b/clamav.spec
@@ -96,6 +96,10 @@ export CXXFLAGS="%optflags $CXXFLAGS"
 # SLES9 needs this macro to enable the quarantine feature in libmilter
 CFLAGS="$CFLAGS -D_FFR_QUARANTINE -D_FFR_SMFI_OPENSOCKET"
 %endif
+%ifarch ppc64 ppc64le
+# tomsfastmath needs this for correct operation on 64-bit platforms
+CFLAGS="$CFLAGS -DFP_64BIT"
+%endif
 ./configure \
 	--prefix=%_prefix \
 	--libdir=%_libdir \
@@ -109,6 +113,9 @@ CFLAGS="$CFLAGS -D_FFR_QUARANTINE -D_FFR_SMFI_OPENSOCKET"
 	--enable-milter \
 	%clamav_check \
 	%llvm \
+%ifnarch %ix86 x86_64
+	--disable-fanotify \
+%endif
 	--disable-zlib-vcheck \
 	--enable-clamdtop \
 	--disable-timestamps