diff --git a/alg/gdalchecksum.cpp b/alg/gdalchecksum.cpp
index 265465a33c8d..311c98ea0951 100644
--- a/alg/gdalchecksum.cpp
+++ b/alg/gdalchecksum.cpp
@@ -32,6 +32,7 @@
 
 #include <cmath>
 #include <cstddef>
+#include <algorithm>
 
 #include "cpl_conv.h"
 #include "cpl_error.h"
diff --git a/alg/gdalgrid.cpp b/alg/gdalgrid.cpp
index d776eeac9cb4..04fcb060421a 100644
--- a/alg/gdalgrid.cpp
+++ b/alg/gdalgrid.cpp
@@ -40,6 +40,7 @@
 #include <limits>
 #include <map>
 #include <utility>
+#include <algorithm>
 
 #include "cpl_conv.h"
 #include "cpl_cpu_features.h"