diff --git a/src/vk/vk_common.c b/src/vk/vk_common.c
index a9ebbcf..871079c 100644
--- a/src/vk/vk_common.c
+++ b/src/vk/vk_common.c
@@ -1749,7 +1749,7 @@ qboolean QVk_Init(void)
 	}
 
 	// add space for validation layer
-	if (r_validation->value)
+	if (r_validation->value > 0)
 		extCount++;
 
 #if defined(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME) && defined(__APPLE__)
@@ -1766,7 +1766,7 @@ qboolean QVk_Init(void)
 	}
 
 	// restore extensions count
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		extCount++;
 		wantedExtensions[extCount - 1] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
@@ -1855,7 +1855,7 @@ qboolean QVk_Init(void)
 	const char *validationLayers[] = { "VK_LAYER_LUNARG_standard_validation" };
 #endif
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		createInfo.enabledLayerCount = sizeof(validationLayers) / sizeof(validationLayers[0]);
 		createInfo.ppEnabledLayerNames = validationLayers;
@@ -1867,7 +1867,7 @@ qboolean QVk_Init(void)
 
 	VkResult res = vkCreateInstance(&createInfo, NULL, &vk_instance);
 
-	if (res == VK_ERROR_LAYER_NOT_PRESENT && r_validation->value) {
+	if (res == VK_ERROR_LAYER_NOT_PRESENT && r_validation->value > 0) {
 		// we give a "last try" if the validation layer fails
 		// before falling back to a GL renderer
 		createInfo.enabledLayerCount = 0;
@@ -1889,7 +1889,7 @@ qboolean QVk_Init(void)
 
 	volkLoadInstance(vk_instance);
 	R_Printf(PRINT_ALL, "...created Vulkan instance\n");
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		// initialize function pointers
 		qvkCreateDebugUtilsMessengerEXT  = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(vk_instance, "vkCreateDebugUtilsMessengerEXT");
@@ -1911,7 +1911,7 @@ qboolean QVk_Init(void)
 		qvkInsertDebugUtilsLabelEXT = NULL;
 	}
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 		QVk_CreateValidationLayers();
 
 	if (!Vkimp_CreateSurface(vk_window))
@@ -1927,7 +1927,7 @@ qboolean QVk_Init(void)
 	}
 	QVk_DebugSetObjectName((uintptr_t)vk_device.physical, VK_OBJECT_TYPE_PHYSICAL_DEVICE, va("Physical Device: %s", vk_config.vendor_name));
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 		vulkan_memory_types_show();
 
 	// setup swapchain
diff --git a/src/vk/vk_device.c b/src/vk/vk_device.c
index 598eab4..8068ad7 100644
--- a/src/vk/vk_device.c
+++ b/src/vk/vk_device.c
@@ -259,7 +259,7 @@ static VkResult createLogicalDevice()
 	const char *validationLayers[] = { "VK_LAYER_LUNARG_standard_validation" };
 #endif
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		deviceCreateInfo.enabledLayerCount = sizeof(validationLayers)/sizeof(validationLayers[0]);
 		deviceCreateInfo.ppEnabledLayerNames = validationLayers;
diff --git a/src/vk/vk_image.c b/src/vk/vk_image.c
index 160c63a..ea0d2c6 100644
--- a/src/vk/vk_image.c
+++ b/src/vk/vk_image.c
@@ -1150,7 +1150,7 @@ Vk_LoadPic(const char *name, byte *pic, int width, int realwidth,
 
 	// update count of loaded images
 	img_loaded ++;
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "%s: Load %s[%d]\n", __func__, image->name, img_loaded);
 	}
@@ -1501,7 +1501,7 @@ image_t	*Vk_FindImage (char *name, imagetype_t type)
 	//
 	image = Vk_LoadImage(name, namewe, ext, type);
 
-	if (!image && r_validation->value)
+	if (!image && r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "%s: can't load %s\n", __func__, name);
 	}
@@ -1578,7 +1578,7 @@ void Vk_FreeUnusedImages (void)
 		if (image->type == it_pic)
 			continue;		// don't free pics
 
-		if (r_validation->value)
+		if (r_validation->value > 0)
 		{
 			R_Printf(PRINT_ALL, "%s: Unload %s[%d]\n", __func__, image->name, img_loaded);
 		}
@@ -1710,7 +1710,7 @@ void	Vk_ShutdownImages (void)
 		if (!image->registration_sequence)
 			continue;		// free image_t slot
 
-		if (r_validation->value)
+		if (r_validation->value > 0)
 		{
 			R_Printf(PRINT_ALL, "%s: Unload %s[%d]\n", __func__, image->name, img_loaded);
 		}
diff --git a/src/vk/vk_model.c b/src/vk/vk_model.c
index f78bcd9..ff798ff 100644
--- a/src/vk/vk_model.c
+++ b/src/vk/vk_model.c
@@ -148,7 +148,7 @@ static void Mod_Free (model_t *mod)
 		return;
 	}
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "%s: Unload %s[%d]\n", __func__, mod->name, mod_loaded);
 	}
@@ -1078,7 +1078,7 @@ Mod_ForName (const char *name, model_t *parent_model, qboolean crash)
 					__func__, mod->name);
 		}
 
-		if (r_validation->value)
+		if (r_validation->value > 0)
 		{
 			R_Printf(PRINT_ALL, "%s: Can't load %s\n", __func__, mod->name);
 		}
@@ -1088,7 +1088,7 @@ Mod_ForName (const char *name, model_t *parent_model, qboolean crash)
 
 	// update count of loaded models
 	mod_loaded ++;
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "%s: Load %s[%d]\n", __func__, mod->name, mod_loaded);
 	}
diff --git a/src/vk/vk_util.c b/src/vk/vk_util.c
index 3b9cef9..0b435d4 100644
--- a/src/vk/vk_util.c
+++ b/src/vk/vk_util.c
@@ -467,7 +467,7 @@ memory_create_by_property(VkMemoryRequirements* mem_reqs,
 	VkMemoryPropertyFlags host_visible;
 	uint32_t memory_index;
 
-	if (r_validation->value)
+	if (r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "Asked about memory properties with:\n");
 		memory_type_print(mem_properties);
@@ -487,7 +487,7 @@ memory_create_by_property(VkMemoryRequirements* mem_reqs,
 			__func__, __LINE__);
 		return VK_ERROR_OUT_OF_DEVICE_MEMORY;
 	}
-	else if (r_validation->value)
+	else if (r_validation->value > 0)
 	{
 		R_Printf(PRINT_ALL, "%s:%d: Selected %d memory properties with:\n",
 			__func__, __LINE__, memory_index);