diff --git a/uppsrc/Core/Core.upp b/uppsrc/Core/Core.upp
index c0efe015e..5a7d786fc 100644
--- a/uppsrc/Core/Core.upp
+++ b/uppsrc/Core/Core.upp
@@ -29,6 +29,8 @@ options(XGNU) -ffunction-sections;
 
 link(SOLARIS) "-Wl,-R -Wl,/usr/local/lib";
 
+link(GCC POSIX STACKTRACE) -rdynamic;
+
 file
 	Core.h,
 	config.h,