diff --git a/tests/netconvert/function/opposites/internal_lanes_curved/errors.netconvert b/tests/netconvert/function/opposites/internal_lanes_curved/errors.netconvert
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tests/netconvert/function/opposites/internal_lanes_curved/input_net.net.xml b/tests/netconvert/function/opposites/internal_lanes_curved/input_net.net.xml
new file mode 100644
index 000000000000..7454b19e5631
--- /dev/null
+++ b/tests/netconvert/function/opposites/internal_lanes_curved/input_net.net.xml
@@ -0,0 +1,127 @@
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diff --git a/tests/netconvert/function/opposites/internal_lanes_curved/net.netconvert b/tests/netconvert/function/opposites/internal_lanes_curved/net.netconvert
new file mode 100644
index 000000000000..d536d4466585
--- /dev/null
+++ b/tests/netconvert/function/opposites/internal_lanes_curved/net.netconvert
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diff --git a/tests/netconvert/function/opposites/internal_lanes_curved/options.netconvert b/tests/netconvert/function/opposites/internal_lanes_curved/options.netconvert
new file mode 100644
index 000000000000..43d6de7cef05
--- /dev/null
+++ b/tests/netconvert/function/opposites/internal_lanes_curved/options.netconvert
@@ -0,0 +1 @@
+-s input_net.net.xml --opposites.guess --output net.net.xml
diff --git a/tests/netconvert/function/opposites/internal_lanes_curved/output.netconvert b/tests/netconvert/function/opposites/internal_lanes_curved/output.netconvert
new file mode 100644
index 000000000000..a9d787cc55cb
--- /dev/null
+++ b/tests/netconvert/function/opposites/internal_lanes_curved/output.netconvert
@@ -0,0 +1 @@
+Success.
diff --git a/tests/netconvert/function/opposites/testsuite.netconvert b/tests/netconvert/function/opposites/testsuite.netconvert
index 20cc1d946798..ff06b4b540e4 100644
--- a/tests/netconvert/function/opposites/testsuite.netconvert
+++ b/tests/netconvert/function/opposites/testsuite.netconvert
@@ -20,6 +20,9 @@ internal_lanes
# guess opposites for internal lanes
internal_lanes2
+# guess opposites for internal lanes with a slight curve
+internal_lanes_curved
+
# guess opposites returns edges with different length
different_lengths