diff --git a/applypatch/Android.mk b/applypatch/Android.mk
index eb3e458..1f73fd8 100644
--- a/applypatch/Android.mk
+++ b/applypatch/Android.mk
@@ -17,7 +17,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_CLANG := true
-LOCAL_SRC_FILES := applypatch.c bspatch.c freecache.c imgpatch.c utils.c
+LOCAL_SRC_FILES := applypatch.cpp bspatch.cpp freecache.cpp imgpatch.cpp utils.cpp
 LOCAL_MODULE := libapplypatch
 LOCAL_MODULE_TAGS := eng
 LOCAL_C_INCLUDES += external/bzip2 external/zlib bootable/recovery
@@ -28,7 +28,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_CLANG := true
-LOCAL_SRC_FILES := main.c
+LOCAL_SRC_FILES := main.cpp
 LOCAL_MODULE := applypatch
 LOCAL_C_INCLUDES += bootable/recovery
 LOCAL_STATIC_LIBRARIES += libapplypatch libmtdutils libmincrypt libbz
@@ -39,7 +39,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_CLANG := true
-LOCAL_SRC_FILES := main.c
+LOCAL_SRC_FILES := main.cpp
 LOCAL_MODULE := applypatch_static
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_MODULE_TAGS := eng
@@ -52,7 +52,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_CLANG := true
-LOCAL_SRC_FILES := imgdiff.c utils.c bsdiff.c
+LOCAL_SRC_FILES := imgdiff.cpp utils.cpp bsdiff.cpp
 LOCAL_MODULE := imgdiff
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_C_INCLUDES += external/zlib external/bzip2