diff --git a/tests/test_external_symbols.sh b/tests/test_external_symbols.sh
index b9b1837f..efeedd93 100755
--- a/tests/test_external_symbols.sh
+++ b/tests/test_external_symbols.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-# Check for external symbols without uvg_ prefix.
+# Check for external symbols without uvg_ prefix (or _uvg_ on macOS).
 
 set -eu${BASH+o pipefail}
 
-if nm -go --defined-only ../lib/libuvg266.a | grep -v ' uvg_'; then
+if nm -go --defined-only ../lib/libuvg266.a | grep -v ' uvg_' | grep -v ' _uvg_'; then
     printf '%s\n' 'Only symbols prefixed with "uvg_" should be exported from libuvg266.'
     false
 fi