diff --git a/tools/build-system/osc/sflphone-common.spec b/tools/build-system/osc/sflphone-common.spec
index 1b5f2d780aae5750d854ce71f56b7e3c82055b3f..2c0e7680878876f4ec08c8888272d26d16497043 100644
--- a/tools/build-system/osc/sflphone-common.spec
+++ b/tools/build-system/osc/sflphone-common.spec
@@ -112,7 +112,7 @@ make clean
 make
 cd -
 ./autogen.sh
-./configure --prefix=%{_prefix} --libdir=%{_libdir}
+./configure --prefix=%{_prefix} --libdir=%{_libdir} --without-celt
 make -j
 
 %install