diff --git a/build_scripts/build_lib.sh b/build_scripts/build_lib.sh
index 2df2616..1ae2062 100644
--- a/build_scripts/build_lib.sh
+++ b/build_scripts/build_lib.sh
@@ -3,8 +3,8 @@
 source build_scripts/init.sh
 
 print "${CYAN}=============[build_lib]==============\n"
-clear_dir bin
-clear_dir obj
+clear_dir "$OUTDIR"
+clear_dir "$OBJDIR"
 compile_c "$BUILD_LIB_C_ARGS" "$SRC_C tests/test_marshalling.c"
 compile_cpp "$BUILD_LIB_C_ARGS" "$SRC_CPP"
 link "$BUILD_LIB_CPP_ARGS $BUILD_LIB_LINKER_ARGS" "$LIB_FILE"
diff --git a/build_scripts/build_test.sh b/build_scripts/build_test.sh
index 5ff01e8..570de5a 100644
--- a/build_scripts/build_test.sh
+++ b/build_scripts/build_test.sh
@@ -3,8 +3,8 @@
 source build_scripts/init.sh
 
 print "${CYAN}=============[build_test]=============\n"
-clear_dir bin
-clear_dir obj
+clear_dir "$OUTDIR"
+clear_dir "$OBJDIR"
 compile_c "$BUILD_TEST_C_ARGS" "$SRC_C $TESTS_C"
 compile_cpp "$BUILD_TEST_CPP_ARGS" "$SRC_CPP $TESTS_CPP"
 link "$BUILD_TEST_CPP_ARGS $BUILD_TEST_LINKER_ARGS" $TEST_FILE