diff --git a/cde/programs/dtsearchpath/dtappg/Options.C b/cde/programs/dtsearchpath/dtappg/Options.C
index fa242a0df..24e11cdc0 100644
--- a/cde/programs/dtsearchpath/dtappg/Options.C
+++ b/cde/programs/dtsearchpath/dtappg/Options.C
@@ -31,7 +31,11 @@
 
 #include "Options.h"
 #include <stdlib.h>
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 #include <stdio.h>
 #include <pwd.h>
 
diff --git a/cde/programs/dtsearchpath/dtappg/dtappgather.C b/cde/programs/dtsearchpath/dtappg/dtappgather.C
index 555291595..ee09040d5 100644
--- a/cde/programs/dtsearchpath/dtappg/dtappgather.C
+++ b/cde/programs/dtsearchpath/dtappg/dtappgather.C
@@ -75,7 +75,11 @@
 #include "dtappgather.h"
 #include "DirIterator.h"
 #include <stdlib.h>
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 Options * options;