diff --git a/zsnes/src/linux/sdllink.c b/zsnes/src/linux/sdllink.c
index 44339ffe..71d3cbfd 100644
--- a/zsnes/src/linux/sdllink.c
+++ b/zsnes/src/linux/sdllink.c
@@ -306,7 +306,7 @@ int Main_Proc(void)
 				break;
 
 			case SDL_JOYAXISMOTION:
-				for (j = 0; j < 3; j++)
+				for (j = 0; j < 4; j++)
 				{
 					if (event.jaxis.axis == j)
 					{