diff --git a/.travis.yml b/.travis.yml
index 918fde3e..f5d04314 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -66,4 +66,4 @@ script:
         - cmake ..
         - make
         - ctest
-        - if [[ "$MATRIX_EVAL" == "CC=gcc-7 && CXX=g++-7" ]]; then cp ../sonar-project.properties . && build-wrapper-linux-x86-64 --out-dir bw-output make clean all && sonar-scanner ; fi
+        - if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$MATRIX_EVAL" == "CC=gcc-7 && CXX=g++-7" ]; then cp ../sonar-project.properties . && build-wrapper-linux-x86-64 --out-dir bw-output make clean all && sonar-scanner ; fi
diff --git a/tests/run_stream_tests.sh b/tests/run_stream_tests.sh
index 42df293c..e912dbe9 100755
--- a/tests/run_stream_tests.sh
+++ b/tests/run_stream_tests.sh
@@ -20,5 +20,5 @@
 ##
 
 echo "streaming tests"
-nc -l 4000+ < testdata/pairs.txt & 
+nc -l 4000 < testdata/pairs.txt & 
 ./stream_tests