diff --git a/.travis.yml b/.travis.yml
index 02a449b475..4e7df286d9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,9 +10,6 @@ compiler:
   - gcc
 
 env:
-  global:
-      # pretend to play sounds
-      AUDIODEV=null
   - &tiny-nogui
     BUILD=yes TEST=test COVERAGE=no FEATURES=tiny "CONFOPT='--disable-gui'" SHADOWOPT= SRCDIR=./src CHECK_AUTOCONF=no
   - &tiny
@@ -141,6 +138,8 @@ before_script:
     if [[ "${TRAVIS_OS_NAME}" = "linux" ]]; then
       export DISPLAY=:99.0
       sh -e /etc/init.d/xvfb start && sleep 3
+      # pretend to play sound
+      export AUDIODEV=null
     fi
 
 script:
diff --git a/src/version.c b/src/version.c
index 13db30461b..5c12872644 100644
--- a/src/version.c
+++ b/src/version.c
@@ -777,6 +777,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1506,
 /**/
     1505,
 /**/