diff --git a/gfx/drivers_context/mali_fbdev_ctx.c b/gfx/drivers_context/mali_fbdev_ctx.c
index 8e88fbbcc7..3ffd90aedf 100644
--- a/gfx/drivers_context/mali_fbdev_ctx.c
+++ b/gfx/drivers_context/mali_fbdev_ctx.c
@@ -180,7 +180,7 @@ static bool gfx_ctx_mali_fbdev_set_video_mode(void *data,
    mali->native_window.height = vinfo.yres;
 
    mali->refresh_rate = 1000000.0f / vinfo.pixclock * 1000000.0f /
-         (vinfo.yres + vinfo.upper_margin + vinfo.lower_margin + vinfo.vsync_len)
+         (vinfo.yres + vinfo.upper_margin + vinfo.lower_margin + vinfo.vsync_len) /
          (vinfo.xres + vinfo.left_margin  + vinfo.right_margin + vinfo.hsync_len);
 
 #ifdef HAVE_EGL