diff --git a/CMakeLists.txt b/CMakeLists.txt
index d154b1cf34..047cb875b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -284,9 +284,8 @@ endif()
 # pugixml library
 #===============================================================================
 
-add_library(pugixml src/pugixml/pugixml_c.cpp src/pugixml/pugixml.cpp)
-add_library(pugixml_fortran src/pugixml/pugixml_f.F90)
-target_link_libraries(pugixml_fortran pugixml)
+add_library(pugixml vendor/pugixml/pugixml.cpp)
+target_include_directories(pugixml PUBLIC vendor/pugixml/)
 
 #===============================================================================
 # RPATH information
@@ -377,6 +376,7 @@ set(LIBOPENMC_FORTRAN_SRC
   src/plot_header.F90
   src/product_header.F90
   src/progress_header.F90
+  src/pugixml/pugixml_f.F90
   src/random_lcg.F90
   src/reaction_header.F90
   src/relaxng
@@ -443,6 +443,7 @@ set(LIBOPENMC_CXX_SRC
   src/mgxs.cpp
   src/mgxs_interface.cpp
   src/plot.cpp
+  src/pugixml/pugixml_c.cpp
   src/random_lcg.cpp
   src/scattdata.cpp
   src/simulation.cpp
@@ -450,8 +451,7 @@ set(LIBOPENMC_CXX_SRC
   src/string_functions.cpp
   src/surface.cpp
   src/xml_interface.cpp
-  src/xsdata.cpp
-  src/pugixml/pugixml.cpp)
+  src/xsdata.cpp)
 add_library(libopenmc SHARED ${LIBOPENMC_FORTRAN_SRC} ${LIBOPENMC_CXX_SRC})
 set_target_properties(libopenmc PROPERTIES
   OUTPUT_NAME openmc
@@ -462,7 +462,7 @@ add_executable(${program} src/main.cpp)
 # Add compiler/linker flags
 #===============================================================================
 
-set_property(TARGET ${program} libopenmc pugixml_fortran
+set_property(TARGET ${program} libopenmc
   PROPERTY LINKER_LANGUAGE Fortran)
 
 target_include_directories(libopenmc PUBLIC include ${HDF5_INCLUDE_DIRS})
@@ -488,7 +488,7 @@ endforeach()
 
 # target_link_libraries treats any arguments starting with - but not -l as
 # linker flags. Thus, we can pass both linker flags and libraries together.
-target_link_libraries(libopenmc ${ldflags} ${HDF5_LIBRARIES} pugixml_fortran
+target_link_libraries(libopenmc ${ldflags} ${HDF5_LIBRARIES} pugixml
                       faddeeva)
 target_link_libraries(${program} ${ldflags} libopenmc)
 
diff --git a/src/cell.h b/src/cell.h
index a2f72c8337..24413b4fd4 100644
--- a/src/cell.h
+++ b/src/cell.h
@@ -7,7 +7,7 @@
 #include <vector>
 
 #include "hdf5.h"
-#include "pugixml/pugixml.hpp"
+#include "pugixml.hpp"
 
 
 namespace openmc {
@@ -50,7 +50,7 @@ public:
 //! A geometry primitive that links surfaces, universes, and materials
 //==============================================================================
 
-class Cell 
+class Cell
 {
 public:
   int32_t id;                //!< Unique ID
diff --git a/src/lattice.h b/src/lattice.h
index 19749ce4f0..bc706a5a3f 100644
--- a/src/lattice.h
+++ b/src/lattice.h
@@ -9,7 +9,7 @@
 
 #include "constants.h"
 #include "hdf5.h"
-#include "pugixml/pugixml.hpp"
+#include "pugixml.hpp"
 
 
 namespace openmc {
diff --git a/src/surface.h b/src/surface.h
index 1d8cc6ac7b..666fc0dbae 100644
--- a/src/surface.h
+++ b/src/surface.h
@@ -6,7 +6,7 @@
 #include <string>
 
 #include "hdf5.h"
-#include "pugixml/pugixml.hpp"
+#include "pugixml.hpp"
 
 #include "constants.h"
 
diff --git a/src/xml_interface.h b/src/xml_interface.h
index b6f9e3246d..de89018efe 100644
--- a/src/xml_interface.h
+++ b/src/xml_interface.h
@@ -4,7 +4,7 @@
 #include <string>
 #include <vector>
 
-#include "pugixml/pugixml.hpp"
+#include "pugixml.hpp"
 
 
 namespace openmc {
diff --git a/src/pugixml/pugiconfig.hpp b/vendor/pugixml/pugiconfig.hpp
similarity index 100%
rename from src/pugixml/pugiconfig.hpp
rename to vendor/pugixml/pugiconfig.hpp
diff --git a/src/pugixml/pugixml.cpp b/vendor/pugixml/pugixml.cpp
similarity index 100%
rename from src/pugixml/pugixml.cpp
rename to vendor/pugixml/pugixml.cpp
diff --git a/src/pugixml/pugixml.hpp b/vendor/pugixml/pugixml.hpp
similarity index 100%
rename from src/pugixml/pugixml.hpp
rename to vendor/pugixml/pugixml.hpp