diff --git a/src/joystick/SDL_joystick.c b/src/joystick/SDL_joystick.c
index 1fc10f18a1..5277aadd62 100644
--- a/src/joystick/SDL_joystick.c
+++ b/src/joystick/SDL_joystick.c
@@ -44,7 +44,7 @@
 #include <tlhelp32.h>
 #endif
 
-#if SDL_JOYSTICK_VIRTUAL
+#ifdef SDL_JOYSTICK_VIRTUAL
 #include "./virtual/SDL_virtualjoystick_c.h"
 #endif
 
@@ -631,7 +631,7 @@ SDL_JoystickID SDL_AttachVirtualJoystick(SDL_JoystickType type, int naxes, int n
 
 SDL_JoystickID SDL_AttachVirtualJoystickEx(const SDL_VirtualJoystickDesc *desc)
 {
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
     SDL_JoystickID retval;
 
     SDL_LockJoysticks();
@@ -645,7 +645,7 @@ SDL_JoystickID SDL_AttachVirtualJoystickEx(const SDL_VirtualJoystickDesc *desc)
 
 int SDL_DetachVirtualJoystick(SDL_JoystickID instance_id)
 {
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
     int retval;
 
     SDL_LockJoysticks();
@@ -659,7 +659,7 @@ int SDL_DetachVirtualJoystick(SDL_JoystickID instance_id)
 
 SDL_bool SDL_IsJoystickVirtual(SDL_JoystickID instance_id)
 {
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
     SDL_JoystickDriver *driver;
     int device_index;
     SDL_bool is_virtual = SDL_FALSE;
@@ -686,7 +686,7 @@ int SDL_SetJoystickVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value)
     {
         CHECK_JOYSTICK_MAGIC(joystick, -1);
 
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
         retval = SDL_SetJoystickVirtualAxisInner(joystick, axis, value);
 #else
         retval = SDL_SetError("SDL not built with virtual-joystick support");
@@ -705,7 +705,7 @@ int SDL_SetJoystickVirtualButton(SDL_Joystick *joystick, int button, Uint8 value
     {
         CHECK_JOYSTICK_MAGIC(joystick, -1);
 
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
         retval = SDL_SetJoystickVirtualButtonInner(joystick, button, value);
 #else
         retval = SDL_SetError("SDL not built with virtual-joystick support");
@@ -724,7 +724,7 @@ int SDL_SetJoystickVirtualHat(SDL_Joystick *joystick, int hat, Uint8 value)
     {
         CHECK_JOYSTICK_MAGIC(joystick, -1);
 
-#if SDL_JOYSTICK_VIRTUAL
+#if defined(SDL_JOYSTICK_VIRTUAL)
         retval = SDL_SetJoystickVirtualHatInner(joystick, hat, value);
 #else
         retval = SDL_SetError("SDL not built with virtual-joystick support");
diff --git a/src/joystick/virtual/SDL_virtualjoystick_c.h b/src/joystick/virtual/SDL_virtualjoystick_c.h
index 5a545e3f5b..b672b8623d 100644
--- a/src/joystick/virtual/SDL_virtualjoystick_c.h
+++ b/src/joystick/virtual/SDL_virtualjoystick_c.h
@@ -23,7 +23,7 @@
 #ifndef SDL_VIRTUALJOYSTICK_C_H
 #define SDL_VIRTUALJOYSTICK_C_H
 
-#if SDL_JOYSTICK_VIRTUAL
+#ifdef SDL_JOYSTICK_VIRTUAL
 
 /**
  * Data for a virtual, software-only joystick.