diff --git a/src/java/org/apache/commons/math/stat/regression/GLSMultipleLinearRegression.java b/src/java/org/apache/commons/math/stat/regression/GLSMultipleLinearRegression.java
index db6cd0870..cd9ec1bab 100644
--- a/src/java/org/apache/commons/math/stat/regression/GLSMultipleLinearRegression.java
+++ b/src/java/org/apache/commons/math/stat/regression/GLSMultipleLinearRegression.java
@@ -79,7 +79,7 @@ public class GLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
      */
     protected RealMatrix getOmegaInverse() {
         if (OmegaInverse == null) {
-            OmegaInverse = new LUSolver(new LUDecompositionImpl(Omega)).getInverse();
+            OmegaInverse = new LUDecompositionImpl(Omega).getSolver().getInverse();
         }
         return OmegaInverse;
     }
@@ -95,7 +95,7 @@ public class GLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
         RealMatrix OI = getOmegaInverse();
         RealMatrix XT = X.transpose();
         RealMatrix XTOIX = XT.multiply(OI).multiply(X);
-        RealMatrix inverse = new LUSolver(new LUDecompositionImpl(XTOIX)).getInverse();
+        RealMatrix inverse = new LUDecompositionImpl(XTOIX).getSolver().getInverse();
         return inverse.multiply(XT).multiply(OI).multiply(Y);
     }
 
diff --git a/src/java/org/apache/commons/math/stat/regression/OLSMultipleLinearRegression.java b/src/java/org/apache/commons/math/stat/regression/OLSMultipleLinearRegression.java
index 6938173dd..3af000366 100644
--- a/src/java/org/apache/commons/math/stat/regression/OLSMultipleLinearRegression.java
+++ b/src/java/org/apache/commons/math/stat/regression/OLSMultipleLinearRegression.java
@@ -108,7 +108,7 @@ public class OLSMultipleLinearRegression extends AbstractMultipleLinearRegressio
      */
     protected RealMatrix calculateBetaVariance() {
         RealMatrix XTX = X.transpose().multiply(X);
-        return new LUSolver(new LUDecompositionImpl(XTX)).getInverse();
+        return new LUDecompositionImpl(XTX).getSolver().getInverse();
     }