diff --git a/src/lib/ecore_drm/ecore_drm_output.c b/src/lib/ecore_drm/ecore_drm_output.c
index 1de8735b0d..d5bb43cc89 100644
--- a/src/lib/ecore_drm/ecore_drm_output.c
+++ b/src/lib/ecore_drm/ecore_drm_output.c
@@ -277,7 +277,7 @@ _ecore_drm_output_mode_add(Ecore_Drm_Output *output, drmModeModeInfo *info)
    mode->width = info->hdisplay;
    mode->height = info->vdisplay;
 
-   refresh = (info->clock * 1000000LL / info->htotal + info->vtotal / 2) / info->vtotal;
+   refresh = (info->clock * 1000LL / info->htotal + info->vtotal / 2) / info->vtotal;
    if (info->flags & DRM_MODE_FLAG_INTERLACE)
      refresh *= 2;
    if (info->flags & DRM_MODE_FLAG_DBLSCAN)