diff --git a/src/libixion/dirty_cell_tracker.cpp b/src/libixion/dirty_cell_tracker.cpp
index 42d338bb0177bb4b80a87720bf1ff82aca612ced..7e6e3ccc64c1523efa2c2ba42502f3ef1801b267 100644
--- a/src/libixion/dirty_cell_tracker.cpp
+++ b/src/libixion/dirty_cell_tracker.cpp
@@ -16,7 +16,7 @@
 #include <limits>
 
 #include <spdlog/spdlog.h>
-#include <spdlog/fmt/bundled/ostream.h>
+#include <spdlog/fmt/ostr.h>
 
 namespace ixion {