diff --git a/Makefile.am b/Makefile.am
index 22b83e80ddc..bd41c5ae271 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -194,6 +194,7 @@ LCOV_FILTER_PATTERN = \
 	-p "/usr/lib/" \
 	-p "/usr/lib64/" \
 	-p "src/leveldb/" \
+	-p "src/crc32c/" \
 	-p "src/bench/" \
 	-p "src/univalue" \
 	-p "src/crypto/ctaes" \