diff --git a/.travis.yml b/.travis.yml
index 7e990d75a8..d73bc85e50 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,7 +59,7 @@ matrix:
           name: wxX11 Ubuntu 18.04
         - dist: bionic
           compiler: gcc
-          env: wxCONFIGURE_FLAGS="--with-directfb --enable-pch --disable-stc" wxSKIP_SAMPLES=1
+          env: wxCONFIGURE_FLAGS="--with-directfb --enable-pch --disable-stc" wxSKIP_SAMPLES=1 wxALLOW_WARNINGS=1
           name: wxDFB Ubuntu 18.04
         - dist: bionic
           compiler: gcc
diff --git a/build/tools/travis-ci.sh b/build/tools/travis-ci.sh
index 4196115770..ce02523dde 100755
--- a/build/tools/travis-ci.sh
+++ b/build/tools/travis-ci.sh
@@ -56,7 +56,7 @@ case $wxTOOLSET in
         ;;
     *)
         echo 'travis_fold:start:configure'
-        export CXXFLAGS=-Werror
+        [ "$wxALLOW_WARNINGS" = 1 ] || export CXXFLAGS=-Werror
         echo 'Configuring...'
         ./configure --disable-optimise --disable-debug_info $wxCONFIGURE_FLAGS || rc=$?
         if [ -n "$rc" ]; then