diff --git a/test cases/d/12 root include directory/meson.build b/test cases/d/12 root include directory/meson.build
new file mode 100644
index 000000000..95016156d
--- /dev/null
+++ b/test cases/d/12 root include directory/meson.build	
@@ -0,0 +1,7 @@
+project('some', 'd')
+
+project_dep = declare_dependency(
+    include_directories: ['.'],
+)
+subdir('some')
+
diff --git a/test cases/d/12 root include directory/some/dlang/code.d b/test cases/d/12 root include directory/some/dlang/code.d
new file mode 100644
index 000000000..0dd82a497
--- /dev/null
+++ b/test cases/d/12 root include directory/some/dlang/code.d	
@@ -0,0 +1,7 @@
+void foo() {} 
+
+version (Windows)
+{
+    import core.sys.windows.dll;
+    mixin SimpleDllMain;
+}
diff --git a/test cases/d/12 root include directory/some/dlang/meson.build b/test cases/d/12 root include directory/some/dlang/meson.build
new file mode 100644
index 000000000..3f958b103
--- /dev/null
+++ b/test cases/d/12 root include directory/some/dlang/meson.build	
@@ -0,0 +1,8 @@
+code_lib = library('code',
+    ['code.d'],
+    dependencies: [project_dep])
+
+code_dep = declare_dependency(
+    link_with: code_lib,
+    dependencies: project_dep
+)
\ No newline at end of file
diff --git a/test cases/d/12 root include directory/some/meson.build b/test cases/d/12 root include directory/some/meson.build
new file mode 100644
index 000000000..a549c09df
--- /dev/null
+++ b/test cases/d/12 root include directory/some/meson.build	
@@ -0,0 +1 @@
+subdir('dlang')
\ No newline at end of file