diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
index 3e58119b25..505d3765c5 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.S
@@ -9,6 +9,7 @@
 
 GCC_ASM_EXPORT(SetJump)
 GCC_ASM_EXPORT(InternalLongJump)
+GCC_ASM_IMPORT(InternalAssertJumpBuffer)
 
 #define GPR_LAYOUT                         \
         REG_PAIR (x19, x20,  0);           \
diff --git a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
index 6ec8f35f2c..fa161e25f5 100644
--- a/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
+++ b/MdePkg/Library/BaseLib/AArch64/SetJumpLongJump.asm
@@ -7,6 +7,7 @@
 
   EXPORT SetJump
   EXPORT InternalLongJump
+  EXTERN InternalAssertJumpBuffer
   AREA BaseLib_LowLevel, CODE, READONLY
 
 #define GPR_LAYOUT                          \