diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c
index bf32d996177f415fb1aaca9e527fd9cc1daf186c..639f515e08f0917e5f0c790f44ed7342336c9238 100644
--- a/drivers/clk/ti/clkctrl.c
+++ b/drivers/clk/ti/clkctrl.c
@@ -530,7 +530,7 @@ static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
 		 * Create default clkdm name, replace _cm from end of parent
 		 * node name with _clkdm
 		 */
-		provider->clkdm_name[strlen(provider->clkdm_name) - 5] = 0;
+		provider->clkdm_name[strlen(provider->clkdm_name) - 2] = 0;
 	} else {
 		provider->clkdm_name = kasprintf(GFP_KERNEL, "%pOFn", node);
 		if (!provider->clkdm_name) {