diff --git a/cpu/mcf532x/speed.c b/cpu/mcf532x/speed.c
index 001b9f4..a11e425 100644
--- a/cpu/mcf532x/speed.c
+++ b/cpu/mcf532x/speed.c
@@ -212,5 +212,10 @@
 {
 	gd->bus_clk = clock_pll(CFG_CLK / 1000, 0) * 1000;
 	gd->cpu_clk = (gd->bus_clk * 3);
+
+#ifdef CONFIG_FSL_I2C
+	gd->i2c1_clk = gd->bus_clk;
+#endif
+
 	return (0);
 }