diff --git a/OMCompiler/Compiler/Template/CodegenCppOld.tpl b/OMCompiler/Compiler/Template/CodegenCppOld.tpl
index e371fda27f2..0447872f5b8 100644
--- a/OMCompiler/Compiler/Template/CodegenCppOld.tpl
+++ b/OMCompiler/Compiler/Template/CodegenCppOld.tpl
@@ -3176,8 +3176,8 @@ case "gcc" then
             <<
             # Makefile generated by OpenModelica
             OMHOME=<%if boolOr(stringEq(makefileParams.platform, "win32"),stringEq(makefileParams.platform, "win64")) then '$(OPENMODELICAHOME)' else makefileParams.omhome%>
-            include $(OMHOME)/include/omc/omsicpp/ModelicaConfig_gcc.inc
-            include $(OMHOME)/include/omc/omsicpp/ModelicaLibraryConfig_gcc.inc
+            include $(OMHOME)/include/omc/cpp/ModelicaConfig_gcc.inc
+            include $(OMHOME)/include/omc/cpp/ModelicaLibraryConfig_gcc.inc
 
             # Simulations use -O0 by default
             SIM_OR_DYNLOAD_OPT_LEVEL=-O0