diff --git a/tests/run.sh.in b/tests/run.sh.in
index 92a68dd..6ba296f 100644
--- a/tests/run.sh.in
+++ b/tests/run.sh.in
@@ -62,6 +62,8 @@ run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --cflags --libs 'foo > 1.2 bar
 	'-lfoo' '-I/usr/include/foo' '-fPIC'
 run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --cflags --libs 'foo' '>' '1.2'" \
 	'-lfoo' '-I/usr/include/foo' '-fPIC'
+run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --exists nonexistant; echo \$?" \
+	'1'
 run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --exists 'foo > 1.2'; echo \$?" \
 	'0'
 run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --exists 'foo > 1.2.3'; echo \$?" \