diff --git a/ChangeLog b/ChangeLog
index ae94aa4b84..e6dc2994f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5414,4 +5414,7 @@
 	* arch/arm/src/sama5/sam_ohci.c:  More to be tested, but the SAMA5
 	  OHCI driver is now basically funtional (2013-8-16).
 	* include/nuttx/usb/ehci.h:  EHCI header file (2013-8-17).
+	* arch/arm/src/stm32/stm32_i2c.c:  Correct an error that crept into
+	  the STM32 F1 I2C driver with some recent changes.  From Yiran Liao
+	  (2013-8-18).
 
diff --git a/arch/arm/src/stm32/stm32_i2c.c b/arch/arm/src/stm32/stm32_i2c.c
index c14f3e30ea..3c5014d6a8 100644
--- a/arch/arm/src/stm32/stm32_i2c.c
+++ b/arch/arm/src/stm32/stm32_i2c.c
@@ -1355,7 +1355,7 @@ static int stm32_i2c_isr(struct stm32_i2c_priv_s *priv)
    * since ACK is not returned. We should ignore this error.
    */
 
-  if ((status & I2C_ISR_ERRORMASK) != 0)
+  if ((status & I2C_SR1_ERRORMASK) != 0)
     {
       stm32_i2c_traceevent(priv, I2CEVENT_ERROR, 0);