diff --git a/test cases/common/160 duplicate source names/dir1/file.c b/test cases/common/160 duplicate source names/dir1/file.c
index 76e819701..094e18713 100644
--- a/test cases/common/160 duplicate source names/dir1/file.c	
+++ b/test cases/common/160 duplicate source names/dir1/file.c	
@@ -1 +1,16 @@
-int main() { return 0; }
+extern int dir2;
+extern int dir2_dir1;
+extern int dir3;
+extern int dir3_dir1;
+
+int main() {
+    if (dir2 != 20)
+        return 1;
+    if (dir2_dir1 != 21)
+        return 1;
+    if (dir3 != 30)
+        return 1;
+    if (dir3_dir1 != 31)
+        return 1;
+    return 0;
+}
diff --git a/test cases/common/160 duplicate source names/dir2/dir1/file.c b/test cases/common/160 duplicate source names/dir2/dir1/file.c
index e69de29bb..5aac8e53f 100644
--- a/test cases/common/160 duplicate source names/dir2/dir1/file.c	
+++ b/test cases/common/160 duplicate source names/dir2/dir1/file.c	
@@ -0,0 +1 @@
+int dir2_dir1 = 21;
diff --git a/test cases/common/160 duplicate source names/dir2/file.c b/test cases/common/160 duplicate source names/dir2/file.c
index e69de29bb..6cf8d6602 100644
--- a/test cases/common/160 duplicate source names/dir2/file.c	
+++ b/test cases/common/160 duplicate source names/dir2/file.c	
@@ -0,0 +1 @@
+int dir2 = 20;
diff --git a/test cases/common/160 duplicate source names/dir3/dir1/file.c b/test cases/common/160 duplicate source names/dir3/dir1/file.c
index e69de29bb..04667c2ff 100644
--- a/test cases/common/160 duplicate source names/dir3/dir1/file.c	
+++ b/test cases/common/160 duplicate source names/dir3/dir1/file.c	
@@ -0,0 +1 @@
+int dir3_dir1 = 31;
diff --git a/test cases/common/160 duplicate source names/dir3/file.c b/test cases/common/160 duplicate source names/dir3/file.c
index e69de29bb..d16d0a8cf 100644
--- a/test cases/common/160 duplicate source names/dir3/file.c	
+++ b/test cases/common/160 duplicate source names/dir3/file.c	
@@ -0,0 +1 @@
+int dir3 = 30;
diff --git a/test cases/common/160 duplicate source names/dir3/meson.build b/test cases/common/160 duplicate source names/dir3/meson.build
index 08a2b9ced..70ddbf2d0 100644
--- a/test cases/common/160 duplicate source names/dir3/meson.build	
+++ b/test cases/common/160 duplicate source names/dir3/meson.build	
@@ -1 +1 @@
-lib = static_library('empty', 'file.c', 'dir1/file.c')
+lib = static_library('lib', 'file.c', 'dir1/file.c')
diff --git a/test cases/common/160 duplicate source names/meson.build b/test cases/common/160 duplicate source names/meson.build
index 30d7ad065..cac519401 100644
--- a/test cases/common/160 duplicate source names/meson.build	
+++ b/test cases/common/160 duplicate source names/meson.build	
@@ -4,4 +4,4 @@ sources = []
 subdir('dir1')
 subdir('dir2')
 subdir('dir3')
-executable('a.out', sources : sources, objects : lib.extract_objects())
+executable('a.out', sources : sources, objects : lib.extract_all_objects())