diff --git a/interfaces/matlab/toolbox/GRI30.m b/interfaces/matlab/toolbox/GRI30.m
index 9831722a2..a572cdbb8 100644
--- a/interfaces/matlab/toolbox/GRI30.m
+++ b/interfaces/matlab/toolbox/GRI30.m
@@ -30,12 +30,12 @@ function s = GRI30(tr)
 %
 
 if nargin == 0
-    s = Solution('gri30.cti', 'gri30');
+    s = Solution('gri30.xml', 'gri30');
 elseif nargin == 1
     if strcmp(tr, 'Mix')
-        s = Solution('gri30.cti', 'gri30_mix');
+        s = Solution('gri30.xml', 'gri30_mix');
     elseif strcmp(tr, 'Multi')
-        s = Solution('gri30.cti', 'gri30_multi');
+        s = Solution('gri30.xml', 'gri30_multi');
     else
         error('Unknown transport specified. "Mix" or "Multi" are supported.')
     end
diff --git a/interfaces/matlab/toolbox/Hydrogen.m b/interfaces/matlab/toolbox/Hydrogen.m
index 2e2d833cb..d7ee8a926 100644
--- a/interfaces/matlab/toolbox/Hydrogen.m
+++ b/interfaces/matlab/toolbox/Hydrogen.m
@@ -17,4 +17,4 @@ function h = Hydrogen()
 %     Instance of class :mat:func:`Solution`
 %
 
-h = Solution('liquidvapor.cti', 'hydrogen');
+h = Solution('liquidvapor.xml', 'hydrogen');
diff --git a/interfaces/matlab/toolbox/Methane.m b/interfaces/matlab/toolbox/Methane.m
index 1ead50741..87ac95475 100644
--- a/interfaces/matlab/toolbox/Methane.m
+++ b/interfaces/matlab/toolbox/Methane.m
@@ -14,4 +14,4 @@ function m = Methane()
 %     Instance of class :mat:func:`Solution`
 %
 
-m = Solution('liquidvapor.cti', 'methane');
+m = Solution('liquidvapor.xml', 'methane');
diff --git a/interfaces/matlab/toolbox/Nitrogen.m b/interfaces/matlab/toolbox/Nitrogen.m
index cb3a92fd7..3319eec58 100644
--- a/interfaces/matlab/toolbox/Nitrogen.m
+++ b/interfaces/matlab/toolbox/Nitrogen.m
@@ -14,4 +14,4 @@ function n = Nitrogen()
 %     Instance of class :mat:func:`Solution`
 %
 
-n = Solution('liquidvapor.cti', 'nitrogen');
+n = Solution('liquidvapor.xml', 'nitrogen');
diff --git a/interfaces/matlab/toolbox/Oxygen.m b/interfaces/matlab/toolbox/Oxygen.m
index 2c84d1648..d74051526 100644
--- a/interfaces/matlab/toolbox/Oxygen.m
+++ b/interfaces/matlab/toolbox/Oxygen.m
@@ -14,4 +14,4 @@ function o = Oxygen()
 %     Instance of class :mat:func:`Solution`
 %
 
-o = Solution('liquidvapor.cti', 'oxygen');
+o = Solution('liquidvapor.xml', 'oxygen');
diff --git a/interfaces/matlab/toolbox/Water.m b/interfaces/matlab/toolbox/Water.m
index 72d1b6617..13b1df3b9 100644
--- a/interfaces/matlab/toolbox/Water.m
+++ b/interfaces/matlab/toolbox/Water.m
@@ -17,4 +17,4 @@ function w = Water()
 %     Instance of class :mat:func:`Solution`
 %
 
-w = Solution('liquidvapor.cti', 'water');
+w = Solution('liquidvapor.xml', 'water');