diff --git a/edalize/flows/sim.py b/edalize/flows/sim.py
index 656d5cfb..4c852707 100644
--- a/edalize/flows/sim.py
+++ b/edalize/flows/sim.py
@@ -42,7 +42,7 @@ def configure_tools(self, flow):
                     [
                         "--vpi",
                         "--public-flat-rw --prefix Vtop",
-                        '-LDFLAGS "-Wl,-rpath,`cocotb-config --lib-dir` -L`cocotb-config --lib-dir` -lcocotbvpi_verilator -lgpi -lcocotb -lgpilog -lcocotbutils"',
+                        '-LDFLAGS "-Wl,-rpath,`cocotb-config --lib-dir` -L`cocotb-config --lib-dir` -lcocotbvpi_verilator -lgpi -lcocotb -lgpilog -lcocotbutils  -Wl,--unresolved-symbols=ignore-in-shared-libs"',
                     ],
                 ),
             }
diff --git a/tests/flows/sim/with_cocotb/Makefile b/tests/flows/sim/with_cocotb/Makefile
new file mode 100644
index 00000000..08c4404e
--- /dev/null
+++ b/tests/flows/sim/with_cocotb/Makefile
@@ -0,0 +1,19 @@
+#Auto generated by Edalize
+
+all: post_build
+
+pre_build: 
+
+Vtop.mk: design.vc sv_file.sv vlog_file.v vlog05_file.v vlog_incfile another_sv_file.sv | pre_build
+	$(EDALIZE_LAUNCHER) verilator -f design.vc `cocotb-config --share`/lib/verilator/verilator.cpp
+
+Vtop: Vtop.mk c_file.c cpp_file.cpp
+	$(EDALIZE_LAUNCHER) make -f Vtop.mk
+
+post_build: Vtop
+
+pre_run: 
+
+run: pre_run
+
+post_run: run
diff --git a/tests/flows/sim/with_cocotb/design.vc b/tests/flows/sim/with_cocotb/design.vc
new file mode 100644
index 00000000..3afb7aa8
--- /dev/null
+++ b/tests/flows/sim/with_cocotb/design.vc
@@ -0,0 +1,22 @@
+--Mdir .
+--cc
+--vpi
+--public-flat-rw --prefix Vtop
+-LDFLAGS "-Wl,-rpath,`cocotb-config --lib-dir` -L`cocotb-config --lib-dir` -lcocotbvpi_verilator -lgpi -lcocotb -lgpilog -lcocotbutils  -Wl,--unresolved-symbols=ignore-in-shared-libs"
++incdir+.
+-CFLAGS -I.
+sv_file.sv
+vlog_file.v
+vlog05_file.v
+another_sv_file.sv
+--top-module top_module
+
+--exe
+c_file.c
+cpp_file.cpp
+-Gvlogparam_bool=1
+-Gvlogparam_int=42
+-Gvlogparam_str=\"hello\"
+-Dvlogdefine_bool=1
+-Dvlogdefine_int=42
+-Dvlogdefine_str=hello
diff --git a/tests/test_flow_sim.py b/tests/test_flow_sim.py
index d1dd6d08..17e115c4 100644
--- a/tests/test_flow_sim.py
+++ b/tests/test_flow_sim.py
@@ -20,3 +20,16 @@ def test_sim(flow_fixture):
             "Makefile",
         ]
     )
+
+
+def test_sim_cocotb(flow_fixture):
+    flow_options = {"tool": "verilator", "cocotb_module": "some_cocotb_module"}
+    ff = flow_fixture("sim", flow_options=flow_options, ref_subdir="with_cocotb")
+
+    ff.flow.configure()
+    ff.compare_config_files(
+        [
+            "design.vc",
+            "Makefile",
+        ]
+    )