diff --git a/src/dialog/unix/SDL_portaldialog.c b/src/dialog/unix/SDL_portaldialog.c
index 7938567a0..ac6b575c4 100644
--- a/src/dialog/unix/SDL_portaldialog.c
+++ b/src/dialog/unix/SDL_portaldialog.c
@@ -96,7 +96,7 @@ static void DBus_AppendFilter(SDL_DBusContext *dbus, DBusMessageIter *parent, co
         dbus->message_iter_open_container(&filter_array, DBUS_TYPE_STRUCT, NULL, &filter_array_entry);
         dbus->message_iter_append_basic(&filter_array_entry, DBUS_TYPE_UINT32, &zero);
 
-        glob_pattern = SDL_calloc(sizeof(char), max_len);
+        glob_pattern = SDL_calloc(max_len, sizeof(char));
         if (!glob_pattern) {
             goto cleanup;
         }
diff --git a/src/joystick/SDL_joystick.c b/src/joystick/SDL_joystick.c
index 6d44bdf3b..7d76fece9 100644
--- a/src/joystick/SDL_joystick.c
+++ b/src/joystick/SDL_joystick.c
@@ -1086,7 +1086,7 @@ SDL_Joystick *SDL_OpenJoystick(SDL_JoystickID instance_id)
     }
 
     // Create and initialize the joystick
-    joystick = (SDL_Joystick *)SDL_calloc(sizeof(*joystick), 1);
+    joystick = (SDL_Joystick *)SDL_calloc(1, sizeof(*joystick));
     if (!joystick) {
         SDL_UnlockJoysticks();
         return NULL;
diff --git a/src/joystick/linux/SDL_sysjoystick.c b/src/joystick/linux/SDL_sysjoystick.c
index e9355d07f..67b8c566b 100644
--- a/src/joystick/linux/SDL_sysjoystick.c
+++ b/src/joystick/linux/SDL_sysjoystick.c
@@ -2335,7 +2335,7 @@ static bool LINUX_JoystickGetGamepadMapping(int device_index, SDL_GamepadMapping
 
     /* We temporarily open the device to check how it's configured. Make
        a fake SDL_Joystick object to do so. */
-    joystick = (SDL_Joystick *)SDL_calloc(sizeof(*joystick), 1);
+    joystick = (SDL_Joystick *)SDL_calloc(1, sizeof(*joystick));
     if (!joystick) {
         return false;
     }
diff --git a/src/render/vulkan/SDL_render_vulkan.c b/src/render/vulkan/SDL_render_vulkan.c
index 87ae0708a..b504c0108 100644
--- a/src/render/vulkan/SDL_render_vulkan.c
+++ b/src/render/vulkan/SDL_render_vulkan.c
@@ -1599,7 +1599,7 @@ static bool VULKAN_DeviceExtensionsFound(VULKAN_RenderData *rendererData, int ex
         return false;
     }
     if (extensionCount > 0 ) {
-        VkExtensionProperties *extensionProperties = (VkExtensionProperties *)SDL_calloc(sizeof(VkExtensionProperties), extensionCount);
+        VkExtensionProperties *extensionProperties = (VkExtensionProperties *)SDL_calloc(extensionCount, sizeof(VkExtensionProperties));
         result = vkEnumerateDeviceExtensionProperties(rendererData->physicalDevice, NULL, &extensionCount, extensionProperties);
         if (result != VK_SUCCESS ) {
             SDL_LogError(SDL_LOG_CATEGORY_RENDER, "vkEnumerateDeviceExtensionProperties): %s.\n", SDL_Vulkan_GetResultString(result));
@@ -2356,8 +2356,8 @@ static VkResult VULKAN_CreateSwapChain(SDL_Renderer *renderer, int w, int h)
         }
         SDL_free(rendererData->renderingFinishedSemaphores);
     }
-    rendererData->imageAvailableSemaphores = (VkSemaphore *)SDL_calloc(sizeof(VkSemaphore), rendererData->swapchainImageCount);
-    rendererData->renderingFinishedSemaphores = (VkSemaphore *)SDL_calloc(sizeof(VkSemaphore), rendererData->swapchainImageCount);
+    rendererData->imageAvailableSemaphores = (VkSemaphore *)SDL_calloc(rendererData->swapchainImageCount, sizeof(VkSemaphore));
+    rendererData->renderingFinishedSemaphores = (VkSemaphore *)SDL_calloc(rendererData->swapchainImageCount, sizeof(VkSemaphore));
     for (uint32_t i = 0; i < rendererData->swapchainImageCount; i++) {
         rendererData->imageAvailableSemaphores[i] = VULKAN_CreateSemaphore(rendererData);
         if (rendererData->imageAvailableSemaphores[i] == VK_NULL_HANDLE) {
diff --git a/src/sensor/SDL_sensor.c b/src/sensor/SDL_sensor.c
index 069571ffe..67353f907 100644
--- a/src/sensor/SDL_sensor.c
+++ b/src/sensor/SDL_sensor.c
@@ -321,7 +321,7 @@ SDL_Sensor *SDL_OpenSensor(SDL_SensorID instance_id)
     }
 
     // Create and initialize the sensor
-    sensor = (SDL_Sensor *)SDL_calloc(sizeof(*sensor), 1);
+    sensor = (SDL_Sensor *)SDL_calloc(1, sizeof(*sensor));
     if (!sensor) {
         SDL_UnlockSensors();
         return NULL;
diff --git a/test/testdropfile.c b/test/testdropfile.c
index 78f69498d..d778ec724 100644
--- a/test/testdropfile.c
+++ b/test/testdropfile.c
@@ -57,7 +57,7 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
     if (!SDLTest_CommonInit(state)) {
         goto onerror;
     }
-    dialog = SDL_calloc(sizeof(dropfile_dialog), 1);
+    dialog = SDL_calloc(1, sizeof(dropfile_dialog));
     if (!dialog) {
         goto onerror;
     }
diff --git a/test/testffmpeg_vulkan.c b/test/testffmpeg_vulkan.c
index 268e82c59..5e14728bf 100644
--- a/test/testffmpeg_vulkan.c
+++ b/test/testffmpeg_vulkan.c
@@ -221,7 +221,7 @@ static int createInstance(VulkanVideoContext *context)
     {
         uint32_t extensionCount;
         if (context->vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, NULL) == VK_SUCCESS && extensionCount > 0) {
-            VkExtensionProperties *extensionProperties = SDL_calloc(sizeof(VkExtensionProperties), extensionCount);
+            VkExtensionProperties *extensionProperties = SDL_calloc(extensionCount, sizeof(VkExtensionProperties));
             if (context->vkEnumerateInstanceExtensionProperties(NULL, &extensionCount, extensionProperties) == VK_SUCCESS) {
                 for (uint32_t i = 0; i < SDL_arraysize(optional_extensions); ++i) {
                     for (uint32_t j = 0; j < extensionCount; ++j) {
@@ -595,7 +595,7 @@ static int createDevice(VulkanVideoContext *context)
     {
         uint32_t extensionCount;
         if (context->vkEnumerateDeviceExtensionProperties(context->physicalDevice, NULL, &extensionCount, NULL) == VK_SUCCESS && extensionCount > 0) {
-            VkExtensionProperties *extensionProperties = SDL_calloc(sizeof(VkExtensionProperties), extensionCount);
+            VkExtensionProperties *extensionProperties = SDL_calloc(extensionCount, sizeof(VkExtensionProperties));
             if (context->vkEnumerateDeviceExtensionProperties(context->physicalDevice, NULL, &extensionCount, extensionProperties) == VK_SUCCESS) {
                 for (uint32_t i = 0; i < SDL_arraysize(optional_extensions); ++i) {
                     for (uint32_t j = 0; j < extensionCount; ++j) {