diff --git a/tests/lib1/private-libs-duplication.pc b/tests/lib1/private-libs-duplication.pc
new file mode 100644
index 0000000..f8a4741
--- /dev/null
+++ b/tests/lib1/private-libs-duplication.pc
@@ -0,0 +1,6 @@
+Name: private-libs-duplication
+Version: 1.0
+Requires: foo
+Libs: -lprivate
+Libs.private: -lfoo
+
diff --git a/tests/run.sh.in b/tests/run.sh.in
index b0cf04f..2066eef 100644
--- a/tests/run.sh.in
+++ b/tests/run.sh.in
@@ -116,6 +116,8 @@ run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --static --libs argv-parse-2" \
 	'-pthread '
 run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --static --cflags baz" \
 	'-fPIC' '-I/usr/include/foo' '-DFOO_STATIC'
+run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --static --libs-only-l private-libs-duplication" \
+	'-lprivate-libs-duplication -lfoo'
 
 # 4) tests for parser bugs
 run_test "PKG_CONFIG_PATH='${selfdir}/lib1' ${1} --libs dos-lineendings" \