diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index e983546532..b7e4e3722c 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -23,6 +23,7 @@
 #include "cmComputeLinkInformation.h"
 #include "cmCustomCommandGenerator.h"
 #include "cmGeneratorExpression.h"
+#include "cmAlgorithms.h"
 
 #include "cmMakefileExecutableTargetGenerator.h"
 #include "cmMakefileLibraryTargetGenerator.h"