diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 3acf795..8eda6c0 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -40,7 +40,8 @@
   -no-canonical-prefixes \
   -include $(call select-android-config-h,linux-x86)
 
-$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector
+# TODO: Set _FORTIFY_SOURCE=2. Bug 20558757.
+$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fstack-protector
 
 # Workaround differences in inttypes.h between host and target.
 # See bug 12708004.
diff --git a/core/combo/HOST_linux-x86_64.mk b/core/combo/HOST_linux-x86_64.mk
index b74990b..e268e41 100644
--- a/core/combo/HOST_linux-x86_64.mk
+++ b/core/combo/HOST_linux-x86_64.mk
@@ -40,7 +40,8 @@
   -no-canonical-prefixes \
   -include $(call select-android-config-h,linux-x86)
 
-HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector
+# TODO: Set _FORTIFY_SOURCE=2. Bug 20558757.
+HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fstack-protector
 
 # Workaround differences in inttypes.h between host and target.
 # See bug 12708004.