diff --git a/coverage.sh b/coverage.sh
index 9e9b581..a80e9f3 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -731,22 +731,22 @@ prefix=
 # artificially add some files
 # in proot mode, some extra files are put there by proot
 { tar -tf /tmp/unstable-chroot.tar \
-	| grep -v '^./usr/lib/ld-linux-armhf.so.3$' \
-	| grep -v '^./usr/lib/arm-linux-gnueabihf/ld-linux.so.3$' \
-	| grep -v '^./usr/lib/arm-linux-gnueabihf/ld-linux-armhf.so.3$' \
+	| grep -v '^\./usr/lib/ld-linux-armhf\.so\.3$' \
+	| grep -v '^\./usr/lib/arm-linux-gnueabihf/ld-linux\.so\.3$' \
+	| grep -v '^\./usr/lib/arm-linux-gnueabihf/ld-linux-armhf\.so\.3$' \
 	| sed 's/arm-linux-gnueabihf/x86_64-linux-gnu/' \
 	| sed 's/armhf/amd64/';
 	[ "$mode" = "fakechroot" ] && printf "./etc/ld.so.cache\n./var/cache/ldconfig/\n";
 } | sort > tar2.txt
 { cat tar1.txt \
-	| grep -v '^./usr/bin/i386$' \
-	| grep -v '^./usr/bin/x86_64$' \
-	| grep -v '^./usr/lib64/ld-linux-x86-64.so.2$' \
-	| grep -v '^./usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2$' \
-	| grep -v '^./usr/lib/x86_64-linux-gnu/libmvec-2.27.so$' \
-	| grep -v '^./usr/lib/x86_64-linux-gnu/libmvec.so.1$' \
-	| grep -v '^./usr/share/man/man8/i386.8.gz$' \
-	| grep -v '^./usr/share/man/man8/x86_64.8.gz$';
+	| grep -v '^\./usr/bin/i386$' \
+	| grep -v '^\./usr/bin/x86_64$' \
+	| grep -v '^\./usr/lib64/ld-linux-x86-64\.so\.2$' \
+	| grep -v '^\./usr/lib/x86_64-linux-gnu/ld-linux-x86-64\.so\.2$' \
+	| grep -v '^\./usr/lib/x86_64-linux-gnu/libmvec-2\.[0-9]\+\.so$' \
+	| grep -v '^\./usr/lib/x86_64-linux-gnu/libmvec\.so\.1$' \
+	| grep -v '^\./usr/share/man/man8/i386\.8\.gz$' \
+	| grep -v '^\./usr/share/man/man8/x86_64\.8\.gz$';
 	[ "$mode" = "proot" ] && printf "./etc/ld.so.preload\n";
 } | sort | diff -u - tar2.txt
 rm /tmp/unstable-chroot.tar