diff --git a/tools/test/config/bootloader_missing/bootloaders/mbed_lib.json b/tools/test/config/bootloader_missing/bootloaders/mbed_lib.json
new file mode 100644
index 0000000000..4120ac867c
--- /dev/null
+++ b/tools/test/config/bootloader_missing/bootloaders/mbed_lib.json
@@ -0,0 +1,9 @@
+{
+    "name": "bl",
+    "target_overrides": {
+        "LPC1768": {
+            "target.bootloader_img": "does_not_exists.bin",
+            "target.restrict_size": "0xFFFFF"
+        }
+    }
+}
diff --git a/tools/test/config/bootloader_missing/mbed_app.json b/tools/test/config/bootloader_missing/mbed_app.json
index c2ba944b9d..f1d47d66bf 100644
--- a/tools/test/config/bootloader_missing/mbed_app.json
+++ b/tools/test/config/bootloader_missing/mbed_app.json
@@ -1,7 +1,8 @@
 {
     "target_overrides": {
         "K64F": {
-            "target.bootloader_img": "does_not_exists.bin"
+            "target.bootloader_img": "does_not_exists.bin",
+            "target.restrict_size": "0xFFFFF"
         }
     }
 }
diff --git a/tools/test/config/bootloader_missing/test_data.json b/tools/test/config/bootloader_missing/test_data.json
index 8159285864..2835b8ead8 100644
--- a/tools/test/config/bootloader_missing/test_data.json
+++ b/tools/test/config/bootloader_missing/test_data.json
@@ -1,5 +1,8 @@
 {
     "K64F": {
         "exception_msg": "not found"
+    },
+    "LPC1768": {
+        "exception_msg": "not found"
     }
 }