diff --git a/src/pumipic_input.cpp b/src/pumipic_input.cpp
index 3ad4c740..60183e3b 100644
--- a/src/pumipic_input.cpp
+++ b/src/pumipic_input.cpp
@@ -150,7 +150,7 @@ namespace pumipic {
       return Input::INVALID;
   }
 
-  void Input::printInfo() {
+  void Input::printMethod() {
     std::string bname = getMethodString(bufferMethod);
     std::string sname = getMethodString(safeMethod);
     printInfo("pumipic buffer method %s\n", bname.c_str());
diff --git a/src/pumipic_input.hpp b/src/pumipic_input.hpp
index 22f53159..38bbffbd 100644
--- a/src/pumipic_input.hpp
+++ b/src/pumipic_input.hpp
@@ -52,7 +52,7 @@ namespace pumipic {
           Method bufferMethod, Method safeMethod,
           Omega_h::CommPtr comm = nullptr);
 
-    void printInfo();
+    void printMethod();
     static Method getMethod(std::string s);
 
     Ownership getRule() const {return ownership_rule;}
diff --git a/src/pumipic_version.hpp.in b/src/pumipic_version.hpp.in
index 143518d6..1828a468 100644
--- a/src/pumipic_version.hpp.in
+++ b/src/pumipic_version.hpp.in
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef PUMIPIC_VERSION_H
+#define PUMIPIC_VERSION_H
 
 #define PUMIPIC_VERSION_MAJOR @CMAKE_PROJECT_VERSION_MAJOR@
 #define PUMIPIC_VERSION_MINOR @CMAKE_PROJECT_VERSION_MINOR@
@@ -8,4 +9,6 @@ namespace pumipic {
   const char* pumipic_version() {
     return "@CMAKE_PROJECT_VERSION@";
   }
-}
\ No newline at end of file
+}
+
+#endif //PUMIPIC_VERSION_H
\ No newline at end of file
diff --git a/support/ppPrint.h b/support/ppPrint.h
index d9dfdb80..fa49b6eb 100644
--- a/support/ppPrint.h
+++ b/support/ppPrint.h
@@ -1,4 +1,5 @@
-#pragma once
+#ifndef PUMIPIC_PRINT_H
+#define PUMIPIC_PRINT_H
 
 #ifdef PUMIPIC_SPDLOG_ENABLED
   #include "spdlog/spdlog.h"
@@ -46,4 +47,6 @@ namespace pumipic {
     #endif
   }
 
-}
\ No newline at end of file
+}
+
+#endif //PUMIPIC_PRINT_H
\ No newline at end of file