diff --git a/tests/lib1/case-sensitivity.pc b/tests/lib1/case-sensitivity.pc
new file mode 100644
index 0000000..9618061
--- /dev/null
+++ b/tests/lib1/case-sensitivity.pc
@@ -0,0 +1,7 @@
+foo=3
+Foo=4
+
+Name: case-sensitivity
+Description: Package for testing case-sensitivity
+Version: 1
+Requires: foo < ${foo}
diff --git a/tests/run.sh.in b/tests/run.sh.in
index d09a020..646c1bd 100644
--- a/tests/run.sh.in
+++ b/tests/run.sh.in
@@ -237,6 +237,11 @@ run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --exists --print-errors 'nonexi
 run_test "PKG_CONFIG_PATH='${selfdir}/lib2' ${1} ${selfdir}/lib3/bar.pc --cflags" \
 	'-fPIC -I/usr/include/foo'
 
+run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --variable=foo case-sensitivity" \
+	"3"
+run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --variable=Foo case-sensitivity" \
+	"4"
+
 # 10) tests for internal getopt implementation with options at the end
 if [ "x@STRICT_MODE@" = "xno" ]; then
 	run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} foo --libs" \