diff --git a/include/Mw/Widget/Vulkan.h b/include/Mw/Widget/Vulkan.h
index 4f8a5e3..1b008e5 100644
--- a/include/Mw/Widget/Vulkan.h
+++ b/include/Mw/Widget/Vulkan.h
@@ -68,7 +68,7 @@ typedef struct _MwVulkanConfig {
  * @warning This must be called before MwCreateWidget.
  * @warning The configuration provided will be used for future initializations of the Vulkan widget (unless it's changed)
  */
-MWDECL void MwVulkanConfigure(MwVulkanConfig cfg);
+MWDECL void MwVulkanConfigure(MwVulkanConfig* cfg);
 
 /*!
  * @brief Field that can be gotten from Vulkan.
diff --git a/milsko.xml b/milsko.xml
index cca24fc..76d4755 100644
--- a/milsko.xml
+++ b/milsko.xml
@@ -38,6 +38,11 @@
 			<short name="green" unsigned="yes" />
 			<short name="blue" unsigned="yes" />
 		</struct>
+		<struct name="MwVulkanConfig">
+			<integer name="api_version" unsigned="yes" />
+			<integer name="vk_version" unsigned="yes" />
+			<integer name="validation_layers" />
+		</struct>
 	</structs>
 	<!--
 		All widgets have properties that are common="yes".
@@ -511,6 +516,20 @@
 				</function>
 			</functions>
 		</header>
+	
+		<!-- They are not alphabetically sorted for reasons -->
+		<header name="Widget/Vulkan.h">
+			<functions>
+				<function name="MwVulkanConfigure">
+					<return>
+						<pointer />
+					</return>
+					<arguments>
+						<struct defname="MwVulkanConfig" name="cfg" pointer="yes" />
+					</arguments>
+				</function>
+			</functions>
+		</header>
 	</headers>
 
 	<!-- Widget functions are prefixed with mw<widget name> -->
diff --git a/src/widget/vulkan.c b/src/widget/vulkan.c
index 817644c..e836ac3 100644
--- a/src/widget/vulkan.c
+++ b/src/widget/vulkan.c
@@ -489,8 +489,8 @@ static int vulkan_devices_setup(MwWidget handle, vulkan_t* o) {
 	return 0;
 }
 
-void MwVulkanConfigure(MwVulkanConfig cfg) {
-	vulkan_config = cfg;
+void MwVulkanConfigure(MwVulkanConfig* cfg) {
+	vulkan_config = *cfg;
 }
 
 void MwVulkanEnableExtension(const char* name) {
@@ -595,7 +595,7 @@ void MwVulkanEnableLayer(const char* ext_name) {
 	(void)ext_name;
 }
 
-void MwVulkanConfigure(MwVulkanConfig cfg) {
+void MwVulkanConfigure(MwVulkanConfig* cfg) {
 	(void)cfg;
 }