3 files changed, 7 insertions, 6 deletions
diff --git a/host/tests/ranges_c_test.c b/host/tests/ranges_c_test.c
index da9c86a48..2398588a6 100644
--- a/host/tests/ranges_c_test.c
+++ b/host/tests/ranges_c_test.c
@@ -1,5 +1,5 @@
 //
-// Copyright 2015 Ettus Research LLC
+// Copyright 2015-2016 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -155,7 +155,7 @@ int main(){
     if(size != 2){
         fprintf(stderr, "%s:%d: Invalid size: %lu vs. 2",
                         __FILE__, __LINE__,
-                        size);
+                        (unsigned long)size);
         goto free_meta_range1;
     }
 
diff --git a/host/tests/string_vector_c_test.c b/host/tests/string_vector_c_test.c
index fe055fd91..f7f2f7b69 100644
--- a/host/tests/string_vector_c_test.c
+++ b/host/tests/string_vector_c_test.c
@@ -1,5 +1,5 @@
 //
-// Copyright 2015 Ettus Research LLC
+// Copyright 2015-2016 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -60,7 +60,7 @@ int main(){
     if(size != 2){
         return_code = EXIT_FAILURE;
         fprintf(stderr, "%s:%d: Invalid size: %lu vs. 2",
-                        __FILE__, __LINE__,size);
+                        __FILE__, __LINE__, (unsigned long)size);
         goto free_string_vector;
     }
 
diff --git a/host/tests/subdev_spec_c_test.c b/host/tests/subdev_spec_c_test.c
index 7663ba357..f69b825a8 100644
--- a/host/tests/subdev_spec_c_test.c
+++ b/host/tests/subdev_spec_c_test.c
@@ -1,5 +1,5 @@
 //
-// Copyright 2015 Ettus Research LLC
+// Copyright 2015-2016 Ettus Research LLC
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -71,7 +71,8 @@ int main(){
         uhd_subdev_spec_size(subdev_spec2, &size2)
     )
     if(size1 != size2){
-        printf("%s:%d: Sizes do not match. %lu vs. %lu\n", __FILE__, __LINE__, size1, size2);
+        printf("%s:%d: Sizes do not match. %lu vs. %lu\n", __FILE__, __LINE__,
+               (unsigned long)size1, (unsigned long)size2);
         return_code = EXIT_FAILURE;
         goto free_subdev_spec2;
     }