diff --git a/src/radeon_pm.c b/src/radeon_pm.c
index 778919e..86324d4 100644
--- a/src/radeon_pm.c
+++ b/src/radeon_pm.c
@@ -627,8 +627,8 @@ void RADEONPMInit(ScrnInfoPtr pScrn)
     if (xf86ReturnOptValBool(info->Options, OPTION_DYNAMIC_PM, FALSE)) {
 	info->pm.dynamic_mode_enabled = TRUE;
 	info->pm.mode[1].type = POWER_LOW;
-	info->pm.mode[1].sclk = info->pm.mode[0].sclk / 4;
-	info->pm.mode[1].mclk = info->pm.mode[0].mclk / 4;
+	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 = 1;
 
 	info->pm.mode[2].type = POWER_HIGH;