diff --git a/lib/Analysis/SparsePropagation.cpp b/lib/Analysis/SparsePropagation.cpp
index 59a63d40854..2fda64c7335 100644
--- a/lib/Analysis/SparsePropagation.cpp
+++ b/lib/Analysis/SparsePropagation.cpp
@@ -272,7 +272,7 @@ void SparseSolver::visitInst(Instruction &I) {
 }
 
 void SparseSolver::Solve(Function &F) {
-  MarkBlockExecutable(F.begin());
+  MarkBlockExecutable(&F.getEntryBlock());
   
   // Process the work lists until they are empty!
   while (!BBWorkList.empty() || !InstWorkList.empty()) {