diff --git a/src/radeon_driver.c b/src/radeon_driver.c
index 4943629..8c79ced 100644
--- a/src/radeon_driver.c
+++ b/src/radeon_driver.c
@@ -2633,7 +2633,7 @@ Bool RADEONPreInit(ScrnInfoPtr pScrn, int flags)
     if (xf86RegisterResources(info->pEnt->index, 0, ResExclusive))
 	goto fail;
 
-    if (xf86SetOperatingState(resVga, info->pEnt->index, ResUnusedOpr))
+    if (!xf86SetOperatingState(resVga, info->pEnt->index, ResUnusedOpr))
 	goto fail;
 
     pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_VIEWPORT | RAC_CURSOR;