diff --git a/src/radeon_pm.c b/src/radeon_pm.c
index bf8fecf..a5c630a 100644
--- a/src/radeon_pm.c
+++ b/src/radeon_pm.c
@@ -730,12 +730,12 @@ void RADEONPMInit(ScrnInfoPtr pScrn)
 	    info->pm.mode[2].type = POWER_HIGH;
 	    info->pm.mode[2].sclk = info->pm.mode[0].sclk / 2;
 	    info->pm.mode[2].mclk = info->pm.mode[0].mclk / 2;
-	    info->pm.mode[2].pcie_lanes = 4;
+	    info->pm.mode[2].pcie_lanes = 8;
 	} else {
 	    info->pm.mode[1].type = POWER_HIGH;
 	    info->pm.mode[1].sclk = info->pm.mode[0].sclk / 2;
 	    info->pm.mode[1].mclk = info->pm.mode[0].mclk / 2;
-	    info->pm.mode[1].pcie_lanes = 4;
+	    info->pm.mode[1].pcie_lanes = 8;
 	    info->pm.num_modes += 1;
 	}
 	RADEONSetStaticPowerMode(pScrn, POWER_HIGH);