diff --git a/incl/sysc/core_complex.h b/incl/sysc/core_complex.h
index 8456f4e..b339ce0 100644
--- a/incl/sysc/core_complex.h
+++ b/incl/sysc/core_complex.h
@@ -70,7 +70,7 @@ public:
     bool operator!=(const tlm_dmi_ext &o) const { return !operator==(o); }
 };
 
-namespace SiFive {
+namespace tgfs {
 class core_wrapper;
 
 class core_complex : public sc_core::sc_module, public scc::traceable {
diff --git a/src/sysc/core_complex.cpp b/src/sysc/core_complex.cpp
index 4e06961..c77648f 100644
--- a/src/sysc/core_complex.cpp
+++ b/src/sysc/core_complex.cpp
@@ -49,7 +49,7 @@
 #endif
 
 namespace sysc {
-namespace SiFive {
+namespace tgfs {
 using namespace std;
 using namespace iss;
 using namespace logging;