diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 83c48d292d..531404fc1d 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -80,10 +80,10 @@ if(GEN_FILES)
         WORKING_DIRECTORY
             ${CMAKE_CURRENT_SOURCE_DIR}
         COMMAND
-            ${MBEDTLS_PYTHON_EXECUTABLE}
-                "${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_keys.py"
-                    "--output"
-                        "${CMAKE_CURRENT_SOURCE_DIR}/src/test_keys.h"
+            "${MBEDTLS_PYTHON_EXECUTABLE}"
+            "${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_keys.py"
+            "--output"
+            "${CMAKE_CURRENT_SOURCE_DIR}/src/test_keys.h"
         DEPENDS
             ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_keys.py
     )
@@ -95,9 +95,9 @@ if(GEN_FILES)
             ${CMAKE_CURRENT_SOURCE_DIR}
         COMMAND
             "${MBEDTLS_PYTHON_EXECUTABLE}"
-                "${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_cert_macros.py"
-                    "--output"
-                        "${CMAKE_CURRENT_SOURCE_DIR}/src/test_certs.h"
+            "${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_cert_macros.py"
+            "--output"
+            "${CMAKE_CURRENT_SOURCE_DIR}/src/test_certs.h"
         DEPENDS
             ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_cert_macros.py
     )