diff --git a/backends.py b/backends.py
index e7b6a9cc2..55f31925d 100644
--- a/backends.py
+++ b/backends.py
@@ -218,7 +218,8 @@ class Backend():
         for src in gen_src_deps:
                 src_list.append(src)
                 if is_unity:
-                    unity_src.append(src)
+                    unity_src.append(os.path.join(self.environment.get_build_dir(), src))
+                    header_deps.append(src)
                 else:
                     # Generated targets are ordered deps because the must exist
                     # before the sources compiling them are used. After the first
diff --git a/run_tests.py b/run_tests.py
index 96fff21dd..4ca0659e3 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -25,6 +25,7 @@ test_build_dir = 'work area'
 install_dir = os.path.join(os.path.split(os.path.abspath(__file__))[0], 'install dir')
 meson_command = './meson.py'
 
+unity_flags = ['--unity']
 msbuild_exe = shutil.which('msbuild')
 
 if msbuild_exe is not None:
@@ -107,7 +108,8 @@ def run_test(testdir, should_succeed):
     os.mkdir(test_build_dir)
     os.mkdir(install_dir)
     print('Running test: ' + testdir)
-    gen_command = [sys.executable, meson_command, '--prefix', install_dir, testdir, test_build_dir] + backend_flags
+    gen_command = [sys.executable, meson_command, '--prefix', install_dir, testdir, test_build_dir]\
+        + unity_flags + backend_flags
     p = subprocess.Popen(gen_command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     (stdo, stde) = p.communicate()
     stdo = stdo.decode('utf-8')
diff --git a/test cases/frameworks/4 qt5/mainWindow.h b/test cases/frameworks/4 qt5/mainWindow.h
index fc6b24598..82d8c7694 100644
--- a/test cases/frameworks/4 qt5/mainWindow.h	
+++ b/test cases/frameworks/4 qt5/mainWindow.h	
@@ -1,3 +1,6 @@
+#ifndef MES_MAINWINDOW
+#define MES_MAINWINDOW
+
 #include <QObject>
 #include <QMainWindow>
 #include "ui_mainWindow.h"
@@ -13,3 +16,5 @@ public:
 
 private:
 };
+
+#endif
diff --git a/test cases/frameworks/4 qt5/meson.build b/test cases/frameworks/4 qt5/meson.build
index 3f0770ec7..cda27aecb 100644
--- a/test cases/frameworks/4 qt5/meson.build	
+++ b/test cases/frameworks/4 qt5/meson.build	
@@ -6,7 +6,7 @@ q5exe = executable('qt5app',
 sources : ['main.cpp', 'mainWindow.cpp'], # Sources that don't need preprocessing.
 moc_headers : ['mainWindow.h'],           # These need to be fed through the moc tool before use. 
 ui_files : 'mainWindow.ui',               # XML files that need to be compiled with the uic tol.
-qresources : ['stuff.qrc', 'stuff2.qrc'], # Resource files for rcc compiler.
+qresources : 'stuff.qrc',                 # Resource file for rcc compiler.
 deps : qt5dep)
 
 # We need a console test application because some test environments
diff --git a/test cases/frameworks/4 qt5/stuff.qrc b/test cases/frameworks/4 qt5/stuff.qrc
index cd1c6b54e..48f8fda3b 100644
--- a/test cases/frameworks/4 qt5/stuff.qrc	
+++ b/test cases/frameworks/4 qt5/stuff.qrc	
@@ -1,5 +1,6 @@
 <!DOCTYPE RCC><RCC version="1.0">
 <qresource>
     <file>thing.png</file>
+    <file>thing2.png</file>
 </qresource>
 </RCC>
diff --git a/test cases/frameworks/4 qt5/stuff2.qrc b/test cases/frameworks/4 qt5/stuff2.qrc
deleted file mode 100644
index b7199197b..000000000
--- a/test cases/frameworks/4 qt5/stuff2.qrc	
+++ /dev/null
@@ -1,5 +0,0 @@
-<!DOCTYPE RCC><RCC version="1.0">
-<qresource>
-    <file>thing2.png</file>
-</qresource>
-</RCC>