diff --git a/test/lint/lint-python-utf8-encoding.sh b/test/lint/lint-python-utf8-encoding.sh
index 6e5b18fc23..7e5220715e 100755
--- a/test/lint/lint-python-utf8-encoding.sh
+++ b/test/lint/lint-python-utf8-encoding.sh
@@ -9,7 +9,7 @@
 
 export LC_ALL=C
 EXIT_CODE=0
-OUTPUT=$(git grep " open(" -- "*.py" ":(exclude)src/crc32c/" | grep -vE "encoding=.(ascii|utf8|utf-8)." | grep -vE "open\([^,]*, ['\"][^'\"]*b[^'\"]*['\"]")
+OUTPUT=$(git grep " open(" -- "*.py" ":(exclude)src/crc32c/" ":(exclude)src/secp256k1/" | grep -vE "encoding=.(ascii|utf8|utf-8)." | grep -vE "open\([^,]*, ['\"][^'\"]*b[^'\"]*['\"]")
 if [[ ${OUTPUT} != "" ]]; then
     echo "Python's open(...) seems to be used to open text files without explicitly"
     echo "specifying encoding=\"utf8\":"