diff --git a/AXOL1TL_v1/NN/GTADModel_v1.cpp b/AXOL1TL_v1/NN/GTADModel_v1.cpp
index f74706a..dfacd51 100644
--- a/AXOL1TL_v1/NN/GTADModel_v1.cpp
+++ b/AXOL1TL_v1/NN/GTADModel_v1.cpp
@@ -21,7 +21,7 @@
 #include "GTADModel_v1.h"
 #include "parameters.h"
 
-using namespace hls4ml_axol1tl_v1;
+namespace hls4ml_axol1tl_v1 {
 
 void GTADModel_v1(
     input_t input_1[N_INPUT_1_1],
@@ -76,4 +76,6 @@ void GTADModel_v1(
 
     nnet::linear<layer6_t, result_t, linear_config7>(layer6_out, layer7_out); // mu_quantized_bits
 
+} // hls4ml_axol1tl_v1
+
 }
diff --git a/AXOL1TL_v1/NN/GTADModel_v1.h b/AXOL1TL_v1/NN/GTADModel_v1.h
index f740076..38206f4 100644
--- a/AXOL1TL_v1/NN/GTADModel_v1.h
+++ b/AXOL1TL_v1/NN/GTADModel_v1.h
@@ -26,10 +26,14 @@
 
 #include "defines.h"
 
+namespace hls4ml_axol1tl_v1 {
+
 // Prototype of top level function for C-synthesis
 void GTADModel_v1(
 	       hls4ml_axol1tl_v1::input_t input_1[hls4ml_axol1tl_v1::N_INPUT_1_1],
 	       hls4ml_axol1tl_v1::result_t layer7_out[hls4ml_axol1tl_v1::N_LAYER_6]
 	       );
 
+} // namespace hls4ml_axol1tl_v1
+
 #endif
diff --git a/AXOL1TL_v3/NN/GTADModel_v3.cpp b/AXOL1TL_v3/NN/GTADModel_v3.cpp
index 667045c..dbaeb55 100644
--- a/AXOL1TL_v3/NN/GTADModel_v3.cpp
+++ b/AXOL1TL_v3/NN/GTADModel_v3.cpp
@@ -24,7 +24,7 @@
 
 //from https://gitlab.cern.ch/ssummers/run3_ugt_ml/-/blob/axol1tl_v3/ugt_hls/src/anomaly_detection/Axol1tl_v3.h
 
-using namespace hls4ml_axol1tl_v3;
+namespace hls4ml_axol1tl_v3 {
 
 void GTADModel_v3(
     input_t input_3[N_INPUT_1_1],
@@ -84,5 +84,6 @@ void GTADModel_v3(
 
     nnet::linear<layer6_t, result_t, linear_config7>(layer6_out, layer7_out); // mu_quantized_bits
 
+} // namespace hls4ml_axol1tl_v3
 
 }
diff --git a/AXOL1TL_v3/NN/GTADModel_v3.h b/AXOL1TL_v3/NN/GTADModel_v3.h
index 915e3e3..9ba4403 100644
--- a/AXOL1TL_v3/NN/GTADModel_v3.h
+++ b/AXOL1TL_v3/NN/GTADModel_v3.h
@@ -28,10 +28,14 @@
 
 #include "defines.h"
 
+namespace hls4ml_axol1tl_v3 {
+
 //from https://gitlab.cern.ch/ssummers/run3_ugt_ml/-/blob/axol1tl_v3/ugt_hls/src/anomaly_detection/Axol1tl_v3.h
 void GTADModel_v3(
 	       hls4ml_axol1tl_v3::input_t input_3[hls4ml_axol1tl_v3::N_INPUT_1_1],
 	       hls4ml_axol1tl_v3::result_t layer7_out[hls4ml_axol1tl_v3::N_LAYER_6]
 	       );
 
+} // namespace hls4ml_axol1tl_v3
+
 #endif