diff --git a/tests/auto/conformance/CMakeLists.txt b/tests/auto/conformance/CMakeLists.txt
index b60a9f5..94f2a3e 100644
--- a/tests/auto/conformance/CMakeLists.txt
+++ b/tests/auto/conformance/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_conformance
         ../../common/broker_connection.h
         tst_conformance.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttclient/CMakeLists.txt b/tests/auto/qmqttclient/CMakeLists.txt
index ab30a30..bee2d5f 100644
--- a/tests/auto/qmqttclient/CMakeLists.txt
+++ b/tests/auto/qmqttclient/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttclient
         ../../common/broker_connection.h
         tst_qmqttclient.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttconnectionproperties/CMakeLists.txt b/tests/auto/qmqttconnectionproperties/CMakeLists.txt
index c241210..f019a87 100644
--- a/tests/auto/qmqttconnectionproperties/CMakeLists.txt
+++ b/tests/auto/qmqttconnectionproperties/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttconnectionproperties
         ../../common/broker_connection.h
         tst_qmqttconnectionproperties.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttcontrolpacket/CMakeLists.txt b/tests/auto/qmqttcontrolpacket/CMakeLists.txt
index 735d45f..bf8d170 100644
--- a/tests/auto/qmqttcontrolpacket/CMakeLists.txt
+++ b/tests/auto/qmqttcontrolpacket/CMakeLists.txt
@@ -11,7 +11,7 @@ qt_internal_add_test(tst_qmqttcontrolpacket
     SOURCES
         tst_qmqttcontrolpacket.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     LIBRARIES
         Qt::MqttPrivate
         Qt::Mqtt
diff --git a/tests/auto/qmqttlastwillproperties/CMakeLists.txt b/tests/auto/qmqttlastwillproperties/CMakeLists.txt
index 26fcea5..6447c3f 100644
--- a/tests/auto/qmqttlastwillproperties/CMakeLists.txt
+++ b/tests/auto/qmqttlastwillproperties/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttlastwillproperties
         ../../common/broker_connection.h
         tst_qmqttlastwillproperties.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttpublishproperties/CMakeLists.txt b/tests/auto/qmqttpublishproperties/CMakeLists.txt
index 2a82453..9b2d9c7 100644
--- a/tests/auto/qmqttpublishproperties/CMakeLists.txt
+++ b/tests/auto/qmqttpublishproperties/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttpublishproperties
         ../../common/broker_connection.h
         tst_qmqttpublishproperties.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttsubscription/CMakeLists.txt b/tests/auto/qmqttsubscription/CMakeLists.txt
index 3875f87..084a2dd 100644
--- a/tests/auto/qmqttsubscription/CMakeLists.txt
+++ b/tests/auto/qmqttsubscription/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttsubscription
         ../../common/broker_connection.h
         tst_qmqttsubscription.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqttsubscriptionproperties/CMakeLists.txt b/tests/auto/qmqttsubscriptionproperties/CMakeLists.txt
index 0051b88..a6f77a6 100644
--- a/tests/auto/qmqttsubscriptionproperties/CMakeLists.txt
+++ b/tests/auto/qmqttsubscriptionproperties/CMakeLists.txt
@@ -12,7 +12,7 @@ qt_internal_add_test(tst_qmqttsubscriptionproperties
         ../../common/broker_connection.h
         tst_qmqttsubscriptionproperties.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     INCLUDE_DIRECTORIES
         ../../common
     LIBRARIES
diff --git a/tests/auto/qmqtttopicfilter/CMakeLists.txt b/tests/auto/qmqtttopicfilter/CMakeLists.txt
index 5a8d986..bceae34 100644
--- a/tests/auto/qmqtttopicfilter/CMakeLists.txt
+++ b/tests/auto/qmqtttopicfilter/CMakeLists.txt
@@ -11,7 +11,7 @@ qt_internal_add_test(tst_qmqtttopicfilter
     SOURCES
         tst_qmqtttopicfilter.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     LIBRARIES
         Qt::MqttPrivate
         Qt::Mqtt
diff --git a/tests/auto/qmqtttopicname/CMakeLists.txt b/tests/auto/qmqtttopicname/CMakeLists.txt
index 80f8377..62b5930 100644
--- a/tests/auto/qmqtttopicname/CMakeLists.txt
+++ b/tests/auto/qmqtttopicname/CMakeLists.txt
@@ -11,7 +11,7 @@ qt_internal_add_test(tst_qmqtttopicname
     SOURCES
         tst_qmqtttopicname.cpp
     DEFINES
-        SRCDIR=\\\"${CMAKE_CURRENT_SOURCE_DIR}/\\\"
+        SRCDIR="${CMAKE_CURRENT_SOURCE_DIR}/"
     LIBRARIES
         Qt::MqttPrivate
         Qt::Mqtt