diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 91e06a2..ab6f0c9 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -56,7 +56,7 @@ configure_file(
 
 configure_file(
   "${CUSTOM_TEST_SCRIPTS_DIR}/${TEST_CHECK-MODEM300_FILE}"
-  "${CUSTOM_TEST_BINARY_DIR}${CUSTOM_SCRIPT_SUFFIX}"
+  "${CUSTOM_TEST_BINARY_DIR}/${TEST_CHECK-MODEM300_FILE}${CUSTOM_SCRIPT_SUFFIX}"
   @ONLY
   )