diff --git a/base/frustum.hpp b/base/frustum.hpp
index 7461aa15..47545d7b 100644
--- a/base/frustum.hpp
+++ b/base/frustum.hpp
@@ -10,7 +10,7 @@
 #include <math.h>
 #include <glm/glm.hpp>
 
-namespace vkTools
+namespace vks
 {
 	class Frustum
 	{
diff --git a/computecullandlod/computecullandlod.cpp b/computecullandlod/computecullandlod.cpp
index 34bd8768..387cbe39 100644
--- a/computecullandlod/computecullandlod.cpp
+++ b/computecullandlod/computecullandlod.cpp
@@ -116,7 +116,7 @@ public:
 	} compute;
 
 	// View frustum for culling invisible objects
-	vkTools::Frustum frustum;
+	vks::Frustum frustum;
 
 	uint32_t objectCount = 0;
 
diff --git a/multithreading/multithreading.cpp b/multithreading/multithreading.cpp
index 95543201..e37532c4 100644
--- a/multithreading/multithreading.cpp
+++ b/multithreading/multithreading.cpp
@@ -116,7 +116,7 @@ public:
 	float objectSphereDim;
 
 	// View frustum for culling invisible objects
-	vkTools::Frustum frustum;
+	vks::Frustum frustum;
 
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{
diff --git a/terraintessellation/terraintessellation.cpp b/terraintessellation/terraintessellation.cpp
index 4cdb7647..58d3102a 100644
--- a/terraintessellation/terraintessellation.cpp
+++ b/terraintessellation/terraintessellation.cpp
@@ -112,7 +112,7 @@ public:
 	uint64_t pipelineStats[2] = { 0 };
 
 	// View frustum passed to tessellation control shader for culling
-	vkTools::Frustum frustum;
+	vks::Frustum frustum;
 
 	VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
 	{