diff --git a/tools/aapt/Android.mk b/tools/aapt/Android.mk
index b339a2c..094b7db 100644
--- a/tools/aapt/Android.mk
+++ b/tools/aapt/Android.mk
@@ -41,7 +41,7 @@
 	libpng
 
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lrt
+LOCAL_LDLIBS += -lrt -lpthread
 endif
 
 # Statically link libz for MinGW (Win SDK under Linux),
diff --git a/tools/localize/Android.mk b/tools/localize/Android.mk
index ab79f8d..f284e86 100644
--- a/tools/localize/Android.mk
+++ b/tools/localize/Android.mk
@@ -34,7 +34,7 @@
 	libcutils
     
 ifeq ($(HOST_OS),linux)
-LOCAL_LDLIBS += -lrt
+LOCAL_LDLIBS += -lrt -lpthread
 endif