diff --git a/redhat/dependencies/tqt3/tqt3-14.0.0.spec b/redhat/dependencies/tqt3/tqt3-14.0.0.spec
index c9a976bc8..d1a28437e 100644
--- a/redhat/dependencies/tqt3/tqt3-14.0.0.spec
+++ b/redhat/dependencies/tqt3/tqt3-14.0.0.spec
@@ -473,10 +473,14 @@ for the TQt 3 toolkit.
 
 ##########
 
-
 %prep
 %setup -q -n %{name}-%{tde_version}%{?preversion:~%{preversion}}
 
+# Fix strange FTBFS on RHEL5
+%if 0%{?rhel} == 5
+%__sed -i src/kernel/ntqstyle.h -e "s|#ifdef ENABLE_TQSTYLECONTROLELEMENTDATA_SLOW_COPY|#if 1|"
+%endif
+
 # fix variables in 'qmake.conf'
 %__sed -i mkspecs/*/qmake.conf \
   -e "s|^QMAKE_INCDIR_QT.*|QMAKE_INCDIR_QT		= %{_includedir}/tqt3|" \