diff --git a/cas/1.0/default/DescramblerImpl.cpp b/cas/1.0/default/DescramblerImpl.cpp
index 9b09751..f79b32d 100644
--- a/cas/1.0/default/DescramblerImpl.cpp
+++ b/cas/1.0/default/DescramblerImpl.cpp
@@ -18,6 +18,7 @@
 #define LOG_TAG "android.hardware.cas@1.0-DescramblerImpl"
 
 #include <hidlmemory/mapping.h>
+#include <inttypes.h>
 #include <media/cas/DescramblerAPI.h>
 #include <media/hardware/CryptoAPI.h>
 #include <media/stagefright/foundation/AString.h>
@@ -101,7 +102,7 @@
     // size in size_t. If size is over SIZE_MAX, mapMemory mapMemory could succeed
     // but the mapped memory's actual size will be smaller than the reported size.
     if (srcBuffer.heapBase.size() > SIZE_MAX) {
-        ALOGE("Invalid hidl_memory size: %llu", srcBuffer.heapBase.size());
+        ALOGE("Invalid hidl_memory size: %" PRIu64 "", srcBuffer.heapBase.size());
         android_errorWriteLog(0x534e4554, "79376389");
         _hidl_cb(toStatus(BAD_VALUE), 0, NULL);
         return Void();
@@ -118,8 +119,8 @@
     }
     if (!validateRangeForSize(
             srcBuffer.offset, srcBuffer.size, (uint64_t)srcMem->getSize())) {
-        ALOGE("Invalid src buffer range: offset %llu, size %llu, srcMem size %llu",
-                srcBuffer.offset, srcBuffer.size, (uint64_t)srcMem->getSize());
+        ALOGE("Invalid src buffer range: offset %" PRIu64 ", size %" PRIu64 ", srcMem"
+              "size %" PRIu64 "", srcBuffer.offset, srcBuffer.size, (uint64_t)srcMem->getSize());
         android_errorWriteLog(0x534e4554, "67962232");
         _hidl_cb(toStatus(BAD_VALUE), 0, NULL);
         return Void();
@@ -135,8 +136,8 @@
     // is consistent with the source shared buffer size.
     if (!validateRangeForSize(srcOffset, totalBytesInSubSamples, srcBuffer.size)) {
         ALOGE("Invalid srcOffset and subsample size: "
-                "srcOffset %llu, totalBytesInSubSamples %llu, srcBuffer size %llu",
-                srcOffset, totalBytesInSubSamples, srcBuffer.size);
+                "srcOffset %" PRIu64 ", totalBytesInSubSamples %" PRIu64 ", srcBuffer"
+                "size %" PRIu64 "", srcOffset, totalBytesInSubSamples, srcBuffer.size);
         android_errorWriteLog(0x534e4554, "67962232");
         _hidl_cb(toStatus(BAD_VALUE), 0, NULL);
         return Void();
@@ -153,8 +154,8 @@
         // dstOffset against the buffer size too.
         if (!validateRangeForSize(dstOffset, totalBytesInSubSamples, srcBuffer.size)) {
             ALOGE("Invalid dstOffset and subsample size: "
-                    "dstOffset %llu, totalBytesInSubSamples %llu, srcBuffer size %llu",
-                    dstOffset, totalBytesInSubSamples, srcBuffer.size);
+                    "dstOffset %" PRIu64 ", totalBytesInSubSamples %" PRIu64 ", srcBuffer"
+                    "size %" PRIu64 "", dstOffset, totalBytesInSubSamples, srcBuffer.size);
             android_errorWriteLog(0x534e4554, "67962232");
             _hidl_cb(toStatus(BAD_VALUE), 0, NULL);
             return Void();