diff --git a/src/Stmt.cc b/src/Stmt.cc
index 7160c23c2e..5d2613981d 100644
--- a/src/Stmt.cc
+++ b/src/Stmt.cc
@@ -422,7 +422,9 @@ void ExprStmt::StmtDescribe(ODesc* d) const
 
 	if ( d->IsReadable() && Tag() == STMT_IF )
 		d->Add("(");
-	e->Describe(d);
+
+	if ( e )
+		e->Describe(d);
 
 	if ( Tag() == STMT_IF || Tag() == STMT_SWITCH )
 		{