diff --git a/source.sh b/source.sh
index 049da08..55bd819 100644
--- a/source.sh
+++ b/source.sh
@@ -14,31 +14,25 @@ prepare() {
 
 # The build function is executed in the source directory
 # This function is used to compile the source code
-build() {
-  mkdir build
-  cd build
-  
-  cmake -DCMAKE_INSTALL_PREFIX=/usr \
+build() {  
+  cmake -B build \
+        -DCMAKE_INSTALL_PREFIX=/usr \
         -DBUILD_SHARED_LIBS=ON      \
         -DBUILD_TESTING=ON          \
-        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 ..
-  cmake --build .
+        -DCMAKE_POLICY_VERSION_MINIMUM=3.5
+  cmake --build build
 }
 
 # The check function is executed in the source directory
 # This function is used to run tests to verify the package has been compiled correctly
 check() {
-  cd build
-
-  ctest
+  ctest --test-dir build
 }
 
 # The package function is executed in the source directory
 # This function is used to move the compiled files into the output directory
 package() {
-  cd build
-  
-  DESTDIR="$BPM_OUTPUT" cmake --install .
+  DESTDIR="$BPM_OUTPUT" cmake --install build
 
   # Install package license
   install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/double-conversion/LICENSE