diff --git a/tests/test_external_symbols.sh b/tests/test_external_symbols.sh
index b9b3d595..4983078b 100755
--- a/tests/test_external_symbols.sh
+++ b/tests/test_external_symbols.sh
@@ -4,7 +4,7 @@
 
 set -eu${BASH+o pipefail}
 
-if nm -go --defined-only ../src/.libs/libkvazaar.a | grep -v ' kvz_'; then
+if nm -go --defined-only ../src/.libs/libkvazaar.a | grep -Ev ' (kvz_|__[a-z0-9]+(_|\.)get_pc_thunk\.)'; then
     printf '%s\n' 'Only symbols prefixed with "kvz_" should be exported from libkvazaar.'
     false
 fi