diff --git a/tools/sdk/ld/eagle.app.v6.common.ld b/tools/sdk/ld/eagle.app.v6.common.ld
index 265e24c12..d5d8d7ffe 100644
--- a/tools/sdk/ld/eagle.app.v6.common.ld
+++ b/tools/sdk/ld/eagle.app.v6.common.ld
@@ -18,6 +18,7 @@ EXTERN(_DoubleExceptionVector)
 EXTERN(_KernelExceptionVector)
 EXTERN(_NMIExceptionVector)
 EXTERN(_UserExceptionVector)
+EXTERN(core_version)
 PROVIDE(_memmap_vecbase_reset = 0x40000000);
 /* Various memory-map dependent cache attribute settings: */
 _memmap_cacheattr_wb_base = 0x00000110;