diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index f7922e1..b942801 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -12,7 +12,7 @@ jobs:
       run: rm -rf build || true && mkdir build && cd build && cmake .. -DLIBMBUS_BUILD_EXAMPLES=ON -DLIBMBUS_BUILD_TESTS=ON -DLIBMBUS_ENABLE_COVERAGE=ON && cmake --build . -j && cd ..
 
     - name: generate test frames
-      run: ./test/generate-xml.sh test/test-frames build/bin/mbus_parse_hex
+      run: ./test/generate-xml.sh test/test-frames
 
     - name: install and run gcovr
       run: sudo pip install gcovr && gcovr build/.
diff --git a/build.sh b/build.sh
index e815272..04ea869 100755
--- a/build.sh
+++ b/build.sh
@@ -1,17 +1,17 @@
 #!/bin/sh
 
 
-rm -rf _build
-mkdir _build
-cd _build
+rm -rf build
+mkdir build
+cd build
 cmake .. -DLIBMBUS_BUILD_EXAMPLES=ON -DLIBMBUS_BUILD_TESTS=ON
 cmake --build .
 
 # build deb
 
-# rm -rf _build
-# mkdir _build
-# cd _build
+# rm -rf build
+# mkdir build
+# cd build
 # cmake .. -DLIBMBUS_PACKAGE_DEB=ON
 # cpack ..
 # dpkg -i *.deb
diff --git a/test/generate-xml.sh b/test/generate-xml.sh
index 84e52bd..6a3231f 100755
--- a/test/generate-xml.sh
+++ b/test/generate-xml.sh
@@ -13,27 +13,36 @@
 #------------------------------------------------------------------------------
 
 # Check commandline parameter
-if [ $# -ne 2 ]; then
+if [ $# -ne 1 ]; then
+    echo "usage: $0 path_to_directory_with_xml_files"
+    echo "or"
     echo "usage: $0 path_to_directory_with_xml_files path_to_mbus_parse_hex_with_filename"
     exit 3
 fi
 
 directory="$1"
 
-# Check if mbus_parse_hex exists
-if [ ! -x $2 ]; then
-    echo "mbus_parse_hex not found"
-    exit 3
-fi
-
-mbus_parse_hex="$2"
-
 # # Check directory
 if [ ! -d "$directory" ]; then
     echo "$directory not found"
     exit 3
 fi
 
+# Default location is this one
+mbus_parse_hex="build/bin/mbus_parse_hex"
+
+# though can be overriten
+if [ $# -eq 2 ]; then
+    mbus_parse_hex="$2"
+fi
+
+# Check if mbus_parse_hex exists
+if [ ! -x $mbus_parse_hex ]; then
+    echo "mbus_parse_hex not found"
+    echo "path to mbus_parse_hex: $mbus_parse_hex"
+    exit 3
+fi
+
 for hexfile in "$directory"/*.hex;  do
     if [ ! -f "$hexfile" ]; then
         continue