diff --git a/ctcci/ctcci.py b/ctcci/ctcci.py
index d380079..de06973 100644
--- a/ctcci/ctcci.py
+++ b/ctcci/ctcci.py
@@ -58,7 +58,7 @@ OUTPUT_FILE = os.path.join(RESULT_FOLDER,
 # Add necessary patches to the list of patches that will be applied
 # Important to have this after the output file name generation
 # otherwise it'll include it, which is not wanted
-PATCHES += DEFAULT_PATCHES
+PATCHES = DEFAULT_PATCHES + PATCHES
 
 print(f"Branch: {BRANCH}, output name: {OUTPUT_FILE}")