diff --git a/src/base/SMPFunction.cpp b/src/base/SMPFunction.cpp
index fca41c43ed996b7e68ea74e811970bcc92670d79..ae9e7cb91c6a527ce8e0770bb1ccf84db579d9b0 100644
--- a/src/base/SMPFunction.cpp
+++ b/src/base/SMPFunction.cpp
@@ -7524,7 +7524,7 @@ int SMPFunction::SSANewNumber(std::size_t GlobNameIndex) {
 	return Subscript;
 } // end of SMPFunction::SSANewNumber()
 
-#define STARS_TRACK_STACK_DEF_ADDRS 0
+#define STARS_TRACK_STACK_DEF_ADDRS 1
 
 // Main helper for SSA subscript renumbering. Renumber within block throughout its phi
 //  functions, then its DEFs and USEs, then its phi successors. Recurse then on all