diff --git a/tests/data/mini_c_test/CMakeLists.txt b/tests/data/mini_c_test/CMakeLists.txt
index 20b522e..c59b31c 100644
--- a/tests/data/mini_c_test/CMakeLists.txt
+++ b/tests/data/mini_c_test/CMakeLists.txt
@@ -47,7 +47,7 @@ add_custom_command(
     BYPRODUCTS mockup.h
     WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
     COMMAND_EXPAND_LISTS
-    COMMAND python3 ${HAMMOCK_DIR}/hammocking.py --sources ${PROD_SRC} --plink ${CMAKE_CURRENT_BINARY_DIR}/${PROD_PARTIAL_LINK} --outdir ${CMAKE_CURRENT_BINARY_DIR} "-I$<JOIN:$<TARGET_PROPERTY:prodlib,INCLUDE_DIRECTORIES>,;-I>"
+    COMMAND python ${HAMMOCK_DIR}/hammocking.py --sources ${PROD_SRC} --plink ${CMAKE_CURRENT_BINARY_DIR}/${PROD_PARTIAL_LINK} --outdir ${CMAKE_CURRENT_BINARY_DIR} "-I$<JOIN:$<TARGET_PROPERTY:prodlib,INCLUDE_DIRECTORIES>,;-I>"
     DEPENDS
     ${HAMMOCK_DIR}/hammocking.py
     ${PROD_PARTIAL_LINK}