diff --git a/tests/run.sh.in b/tests/run.sh.in
index 6dc1ebd..8e01c9b 100644
--- a/tests/run.sh.in
+++ b/tests/run.sh.in
@@ -97,6 +97,8 @@ run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --variable=prefix foo" \
 	'/usr'
 run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --define-variable=prefix=/test --variable=prefix foo" \
 	'/test'
+run_test "PKG_CONFIG_PATH=${selfdir}/lib1 ${1} --variable=pcfiledir foo" \
+	"${selfdir}/lib1"
 
 # 7) tests for env modifiers
 run_test "PKG_CONFIG_PATH=${selfdir}/lib1 PKG_CONFIG_SYSROOT_DIR=/test ${1} --cflags baz" \