diff --git a/third_party/lcms2-2.6/src/cmslut.c b/third_party/lcms2-2.6/src/cmslut.c
index 73e6726..8d5aa60 100644
--- a/third_party/lcms2-2.6/src/cmslut.c
+++ b/third_party/lcms2-2.6/src/cmslut.c
@@ -391,7 +391,7 @@ cmsStage*  CMSEXPORT cmsStageAllocMatrix(cmsContext ContextID, cmsUInt32Number R
     if (n >= UINT_MAX / Rows) return NULL;
     if (n < Rows || n < Cols) return NULL;
 
-    NewMPE = _cmsStageAllocPlaceholder(ContextID, cmsSigMatrixElemType, Cols, Rows,
+    NewMPE = _cmsStageAllocPlaceholder(ContextID, cmsSigMatrixElemType, Rows, Cols,
                                      EvaluateMatrix, MatrixElemDup, MatrixElemTypeFree, NULL );
     if (NewMPE == NULL) return NULL;
 
diff --git a/third_party/lcms2-2.6/src/cmstypes.c b/third_party/lcms2-2.6/src/cmstypes.c
index 15199c7..6f335d9 100644
--- a/third_party/lcms2-2.6/src/cmstypes.c
+++ b/third_party/lcms2-2.6/src/cmstypes.c
@@ -4225,7 +4225,7 @@ void *Type_MPEmatrix_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io
     }
 
 
-    mpe = cmsStageAllocMatrix(self ->ContextID, OutputChans, InputChans, Matrix, Offsets);
+    mpe = cmsStageAllocMatrix(self ->ContextID, InputChans, OutputChans, Matrix, Offsets);
     _cmsFree(self ->ContextID, Matrix);
     _cmsFree(self ->ContextID, Offsets);