diff --git a/libvoikko.spec b/libvoikko.spec
index acf07e6..95f36b8 100644
--- a/libvoikko.spec
+++ b/libvoikko.spec
@@ -72,7 +72,7 @@ tasks on Finnish text.
 # https://fedoraproject.org/wiki/Packaging/Guidelines#Removing_Rpath
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-make %{?_smp_mflags}
+make %{?_smp_mflags} CXXFLAGS="$CXXFLAGS -Wno-deprecated"
 
 
 %install