diff --git a/.travis.yml b/.travis.yml
index 10ea74e4df0..d9e11a07d26 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -47,3 +47,4 @@ before_script:
 # Run PHPs run-tests.php 
 script:
     - ./sapi/cli/php run-tests.php -p `pwd`/sapi/cli/php -g "FAIL,XFAIL,BORK,WARN,LEAK,SKIP" --show-diff --set-timeout 120
+    - ./sapi/cli/php sapi/phpdbg/tests/run-tests.php -diff2stdout --phpdbg sapi/phpdbg/phpdbg
diff --git a/travis/compile.sh b/travis/compile.sh
index 20228cda5ad..9add843a2ec 100755
--- a/travis/compile.sh
+++ b/travis/compile.sh
@@ -13,6 +13,7 @@ fi
 ./configure --quiet \
 $DEBUG \
 $TS \
+--enable-phpdbg \
 --enable-fpm \
 --with-pdo-mysql=mysqlnd \
 --with-mysql=mysqlnd \