diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6300a447..4f077fce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ if(NOT CMAKE_BUILD_TYPE)
 endif()
 project(h5fortran
   LANGUAGES C Fortran
-  VERSION 2.10.2
+  VERSION 2.10.3
   DESCRIPTION "thin, light object-oriented HDF5 Fortran interface"
   HOMEPAGE_URL https://github.com/geospace-code/h5fortran)
 enable_testing()
diff --git a/meson.build b/meson.build
index 987d5337..254e9345 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('h5fortran', 'fortran',
   meson_version : '>=0.52.0',
-  version : '2.10.2',
+  version : '2.10.3',
   default_options : ['default_library=static', 'buildtype=release', 'warning_level=3'])
 
 subdir('meson')
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 33a41b75..22f5cabb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,8 +1,8 @@
 
 if(WIN32)
-  set(is_abs "if (lge(path(1:1), 'A' .and. lle(path(1:1), 'z') .and. path(2:2) == ':') is_absolute_path = .true.")
+  set(is_windows .true.)
 else()
-  set(is_abs "if(path(1:1) == '/') is_absolute_path=.true.")
+  set(is_windows .false.)
 endif()
 configure_file(pathlib.in.f90 pathlib.f90)
 
diff --git a/src/meson.build b/src/meson.build
index 875831bd..eb8c47f3 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,12 +1,8 @@
 conf_data = configuration_data()
 
-if os == 'windows'
-  code = '''if (lge(path(1:1), 'A') .and. lle(path(1:1), 'z') .and. path(2:2) == ':') is_absolute_path = .true.'''
-else
-  code = '''if(path(1:1) == '/') is_absolute_path=.true.'''
-endif
+is_windows = os == 'windows' ? '.true.' : '.false.'
 
-conf_data.set('is_abs', code)
+conf_data.set('is_windows', is_windows)
 pathlib_src = configure_file(
   input : 'pathlib.in.f90',
   output : 'pathlib.f90',
diff --git a/src/pathlib.in.f90 b/src/pathlib.in.f90
index fef08c5c..123a8bc8 100644
--- a/src/pathlib.in.f90
+++ b/src/pathlib.in.f90
@@ -28,7 +28,11 @@ pure logical function is_absolute_path(path)
 
 is_absolute_path = .false.
 
-@is_abs@
+if(@is_windows@) then
+  if (lge(path(1:1), 'A') .and. lle(path(1:1), 'z') .and. path(2:2) == ':') is_absolute_path = .true.
+else
+  if(path(1:1) == '/') is_absolute_path=.true.
+endif
 
 end function