diff --git a/src/simplhdl/plugin/simulationflow.py b/src/simplhdl/plugin/simulationflow.py
index c7310ad..8918b3e 100644
--- a/src/simplhdl/plugin/simulationflow.py
+++ b/src/simplhdl/plugin/simulationflow.py
@@ -22,6 +22,8 @@
     VerilogFile,
     VerilogIncludeFile,
     VhdlFile,
+    CFile,
+    CppFile,
     UsedIn,
 )
 from ..project.fileset import Fileset, FilesetOrder, FileOrder
@@ -88,6 +90,8 @@ def get_globals(self) -> dict[str, Any]:
         globals["VerilogFile"] = VerilogFile
         globals["SystemVerilogFile"] = SystemVerilogFile
         globals["VhdlFile"] = VhdlFile
+        globals["CppFile"] = CppFile
+        globals["CFile"] = CFile
         globals["uvm"] = self.is_uvm()
         globals["isinstance"] = isinstance
         globals["UsedIn"] = UsedIn
diff --git a/src/simplhdl_questasim/resources/templates/questasim/project.qrun.j2 b/src/simplhdl_questasim/resources/templates/questasim/project.qrun.j2
index 37a5ef3..6992d4d 100644
--- a/src/simplhdl_questasim/resources/templates/questasim/project.qrun.j2
+++ b/src/simplhdl_questasim/resources/templates/questasim/project.qrun.j2
@@ -19,7 +19,7 @@
 {% endfor %}
 {% for fileset in filesets %}
 -makelib {{fileset.library.name}}:"{{fileset.library.name}}"
-{% for file in fileset.files(type=(SystemVerilogFile, VerilogFile, VhdlFile), usedin=UsedIn.SIMULATION) %}
+{% for file in fileset.files(type=(SystemVerilogFile, VerilogFile, VhdlFile, CFile, CppFile), usedin=UsedIn.SIMULATION) %}
 	"{{file.path}}"
 {% endfor %}
 -endlib