diff --git a/travis/linux/before_script.sh b/travis/linux/before_script.sh
index de914db01..ad52a7065 100755
--- a/travis/linux/before_script.sh
+++ b/travis/linux/before_script.sh
@@ -4,6 +4,8 @@ export PATH=/opt/qt59/bin:$PATH
 
 cp qwt/qwtconfig.pri.in qwt/qwtconfig.pri
 cp src/gcconfig.pri.in src/gcconfig.pri
+# Define GC version string, only for tagged builds
+echo DEFINES += GC_VERSION=VERSION_STRING >> src/gcconfig.pri
 # user WEBENGINE
 echo DEFINES += NOWEBKIT >> src/gcconfig.pri
 # Trusty needs C99 mode to enable declarations in for loops
diff --git a/travis/osx/before_script.sh b/travis/osx/before_script.sh
index 11940558f..39447755e 100755
--- a/travis/osx/before_script.sh
+++ b/travis/osx/before_script.sh
@@ -21,7 +21,8 @@ cd ..
 
 cp qwt/qwtconfig.pri.in qwt/qwtconfig.pri
 cp src/gcconfig.pri.in src/gcconfig.pri
-/usr/local/opt/qt5/bin/lupdate src/src.pro
+# Define GC version string, only for tagged builds
+echo DEFINES += GC_VERSION=VERSION_STRING >> src/gcconfig.pri
 echo DEFINES += NOWEBKIT >> src/gcconfig.pri
 sed -i "" "s|#\(CONFIG += release.*\)|\1 static |" src/gcconfig.pri
 sed -i "" "s|#\(QMAKE_LRELEASE\).*|\1 += /usr/local/opt/qt5/bin/lrelease|" src/gcconfig.pri