diff --git a/tests/tests-ci.sh b/tests/tests-ci.sh
index 8a64a25..f9819f7 100755
--- a/tests/tests-ci.sh
+++ b/tests/tests-ci.sh
@@ -39,6 +39,10 @@ ulimit -a -H
 # error handling performed separately
 set +e
 
+# print version number
+./linuxdeployqt-*-x86_64.AppImage --version
+
+# TODO: reactivate tests
 #bash -e tests/tests.sh
 true
 RESULT=$?
diff --git a/tools/linuxdeployqt/linuxdeployqt.pro b/tools/linuxdeployqt/linuxdeployqt.pro
index f131a11..1d9e3f5 100644
--- a/tools/linuxdeployqt/linuxdeployqt.pro
+++ b/tools/linuxdeployqt/linuxdeployqt.pro
@@ -24,10 +24,14 @@ DEFINES += LINUXDEPLOYQT_GIT_COMMIT="'\"$(shell git rev-parse --short HEAD)\"'"
 
 DEFINES += BUILD_DATE="'\"$(shell env LC_ALL=C date -u '+%Y-%m-%d %H:%M:%S %Z')\"'"
 
-equals($$(TRAVIS_BUILD_NUMBER), "") {
+_BUILD_NUMBER = $$(TRAVIS_BUILD_NUMBER)
+
+isEmpty(_BUILD_NUMBER) {
+    message(Not building on Travis CI, tagging build as local dev build)
     DEFINES += BUILD_NUMBER="'\"<local dev build>\"'"
 } else {
-    DEFINES += BUILD_NUMBER="'\"$$(TRAVIS_BUILD_NUMBER)\"'"
+    message(Building on Travis CI build, build number $$_BUILD_NUMBER)
+    DEFINES += BUILD_NUMBER="'\"$$_BUILD_NUMBER\"'"
 }
 
 DEFINES += LINUXDEPLOYQT_VERSION="'\"$(shell git describe --tags $(shell git rev-list --tags --skip=1 --max-count=1) --abbrev=0)\"'"