diff --git a/.gitignore b/.gitignore
index b11da7d..2865c03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,5 @@
 **/modified_src
 **/results*.csv
 **/results*.npy
+c_models/Debug/
+c_models/Release/
diff --git a/c_models/mcmc_models/src/mcmc.c b/c_models/mcmc_models/src/mcmc.c
index 2264174..1d0e1db 100644
--- a/c_models/mcmc_models/src/mcmc.c
+++ b/c_models/mcmc_models/src/mcmc.c
@@ -564,10 +564,10 @@ void c_main() {
     }
 
     // Setup recording
-    address_t recording_address = data_specification_get_region(
+    void *recording_region = data_specification_get_region(
         RECORDING, data_address);
     uint32_t recording_flags = 0;
-    if (!recording_initialize(recording_address, &recording_flags)) {
+    if (!recording_initialize(&recording_region, &recording_flags)) {
         rt_error(RTE_SWERR);
     }
 
diff --git a/mcmc_examples/arma/spiNNakerGraphFrontEnd.cfg b/mcmc_examples/arma/spiNNakerGraphFrontEnd.cfg
index e03b3af..5c702f0 100644
--- a/mcmc_examples/arma/spiNNakerGraphFrontEnd.cfg
+++ b/mcmc_examples/arma/spiNNakerGraphFrontEnd.cfg
@@ -1,3 +1,6 @@
 [Reports]
 writeRouterReports = False
 extract_iobuf = True
+
+[Java]
+use_java = True
diff --git a/mcmc_examples/lighthouse/spiNNakerGraphFrontEnd.cfg b/mcmc_examples/lighthouse/spiNNakerGraphFrontEnd.cfg
index e03b3af..c47366e 100644
--- a/mcmc_examples/lighthouse/spiNNakerGraphFrontEnd.cfg
+++ b/mcmc_examples/lighthouse/spiNNakerGraphFrontEnd.cfg
@@ -1,3 +1,6 @@
 [Reports]
 writeRouterReports = False
 extract_iobuf = True
+
+#[Java]
+#use_java = True