diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template
index 57455ac9f2..ab4f936e7a 100755
--- a/BaseTools/Conf/tools_def.template
+++ b/BaseTools/Conf/tools_def.template
@@ -5459,7 +5459,7 @@ DEFINE CLANG35_AARCH64_CC_FLAGS  = DEF(GCC_AARCH64_CC_FLAGS) DEF(CLANG35_AARCH64
 *_CLANG35_ARM_ASM_FLAGS          = DEF(GCC_ASM_FLAGS) DEF(CLANG35_ARM_TARGET) $(ARCHASM_FLAGS) $(PLATFORM_FLAGS) -Qunused-arguments
 *_CLANG35_ARM_DLINK_FLAGS        = DEF(CLANG35_ARM_TARGET) DEF(GCC_ARM_DLINK_FLAGS)
 *_CLANG35_ARM_DLINK2_FLAGS       = DEF(GCC_DLINK2_FLAGS_COMMON) -Wl,--defsym=PECOFF_HEADER_SIZE=0x220
-*_CLANG35_ARM_PLATFORM_FLAGS     =
+*_CLANG35_ARM_PLATFORM_FLAGS     = -march=armv7-a
 *_CLANG35_ARM_PP_FLAGS           = DEF(GCC_PP_FLAGS) DEF(CLANG35_ARM_TARGET) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS)
 *_CLANG35_ARM_RC_FLAGS           = DEF(GCC_ARM_RC_FLAGS)
 *_CLANG35_ARM_VFRPP_FLAGS        = DEF(GCC_VFRPP_FLAGS) DEF(CLANG35_ARM_TARGET) $(ARCHCC_FLAGS) $(PLATFORM_FLAGS)