diff --git a/ril/libsecril-client/Android.mk b/ril/libsecril-client/Android.mk
index df9ee576..71cdc60b 100755
--- a/ril/libsecril-client/Android.mk
+++ b/ril/libsecril-client/Android.mk
@@ -16,7 +16,7 @@ LOCAL_SHARED_LIBRARIES := \
 LOCAL_CFLAGS := 
 
 ifeq ($(TARGET_BOARD_PLATFORM),exynos4)
-LOCAL_CFLAGS += -DRIL_CALL_AUIO_PATH_EXTRAVOLUME
+LOCAL_CFLAGS += -DRIL_CALL_AUDIO_PATH_EXTRAVOLUME
 endif
 
 LOCAL_MODULE:= libsecril-client
diff --git a/ril/libsecril-client/secril-client.cpp b/ril/libsecril-client/secril-client.cpp
index 9351f7af..e927122f 100755
--- a/ril/libsecril-client/secril-client.cpp
+++ b/ril/libsecril-client/secril-client.cpp
@@ -668,7 +668,7 @@ int SetCallVolume(HRilClient client, SoundType type, int vol_level) {
  * Set external sound device path for noise reduction.
  */
 extern "C"
-#ifdef RIL_CALL_AUIO_PATH_EXTRAVOLUME
+#ifdef RIL_CALL_AUDIO_PATH_EXTRAVOLUME
 int SetCallAudioPath(HRilClient client, AudioPath path, ExtraVolume mode)
 #else
 int SetCallAudioPath(HRilClient client, AudioPath path)
@@ -701,7 +701,7 @@ int SetCallAudioPath(HRilClient client, AudioPath path)
     data[2] = 0x00;     // data length
     data[3] = 0x06;     // data length
     data[4] = ConvertAudioPath(path); // audio path
-#ifdef RIL_CALL_AUIO_PATH_EXTRAVOLUME
+#ifdef RIL_CALL_AUDIO_PATH_EXTRAVOLUME
     data[5] = mode; // ExtraVolume
 #endif
 
diff --git a/ril/libsecril-client/secril-client.h b/ril/libsecril-client/secril-client.h
index 134b80e4..0b3a1916 100755
--- a/ril/libsecril-client/secril-client.h
+++ b/ril/libsecril-client/secril-client.h
@@ -154,7 +154,7 @@ typedef enum _AudioPath {
 /**
  * ExtraVolume
  */
-#ifdef RIL_CALL_AUIO_PATH_EXTRAVOLUME
+#ifdef RIL_CALL_AUDIO_PATH_EXTRAVOLUME
 typedef enum _ExtraVolume {
     ORIGINAL_PATH,
     EXTRA_VOLUME_PATH
@@ -246,7 +246,7 @@ int SetCallVolume(HRilClient client, SoundType type, int vol_level);
 /**
  * Set external sound device path for noise reduction.
  */
-#ifdef RIL_CALL_AUIO_PATH_EXTRAVOLUME
+#ifdef RIL_CALL_AUDIO_PATH_EXTRAVOLUME
 int SetCallAudioPath(HRilClient client, AudioPath path, ExtraVolume mode);
 #else
 int SetCallAudioPath(HRilClient client, AudioPath path);