diff --git a/test/issue1505-single-file-package-dynamic-library.sh b/test/issue1505-single-file-package-dynamic-library.sh
index bd8ec72..0a78b20 100755
--- a/test/issue1505-single-file-package-dynamic-library.sh
+++ b/test/issue1505-single-file-package-dynamic-library.sh
@@ -8,7 +8,9 @@
 rm -f single-file-test-dynamic-library.dll
 
 ${DUB} build --single issue1505-single-file-package-dynamic-library.d
-if [[ ! -f libsingle-file-test-dynamic-library.{so,dylib} ]] && [[ ! -f single-file-test-dynamic-library.dll ]]; then
+if [[ ! -f libsingle-file-test-dynamic-library.so ]] \
+&& [[ ! -f libsingle-file-test-dynamic-library.dylib ]] \
+&& [[ ! -f single-file-test-dynamic-library.dll ]]; then
 	die $LINENO 'Normal invocation did not produce a dynamic library in the current directory'
 fi
 rm -f libsingle-file-test-dynamic-library.{so,dylib}