diff --git a/libutils/SharedBuffer.cpp b/libutils/SharedBuffer.cpp
index 2b3690c..269326a 100644
--- a/libutils/SharedBuffer.cpp
+++ b/libutils/SharedBuffer.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "sharedbuffer"
+
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp
index 0652101..c32f462 100644
--- a/libutils/Unicode.cpp
+++ b/libutils/Unicode.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "unicode"
+
 #include <limits.h>
 #include <stddef.h>