diff --git a/src/matlab/kineticsmethods.cpp b/src/matlab/kineticsmethods.cpp
index 43ac2e28b..c61b0f2ca 100644
--- a/src/matlab/kineticsmethods.cpp
+++ b/src/matlab/kineticsmethods.cpp
@@ -24,10 +24,10 @@ void kineticsmethods(int nlhs, mxArray* plhs[],
         int in2 = getInt(prhs[5]);
         int in3 = getInt(prhs[6]);
         int in4 = getInt(prhs[7]);
-        vv = (double) newKineticsFromXML(root, iph, in1, in2, in3, in4);
+        int p = (int) newKineticsFromXML(root, iph, in1, in2, in3, in4);
         plhs[0] = mxCreateNumericMatrix(1,1,mxDOUBLE_CLASS,mxREAL);
         double* h = mxGetPr(plhs[0]);
-        *h = vv;
+        *h = (double) p;
         return;
     }