diff --git a/Make/files b/Make/files
index 124d01c..89ea15f 100644
--- a/Make/files
+++ b/Make/files
@@ -1,4 +1,4 @@
-diffusivityModel/diffusivityModel.C
+diffusivityModel/diffusivityModel/diffusivityModel.C
 
 eReactingFoam.C
 
diff --git a/Make/options b/Make/options
index 54ba2e4..4e4ea18 100644
--- a/Make/options
+++ b/Make/options
@@ -1,5 +1,5 @@
 EXE_INC = \
-    -IdiffusivityModel \
+    -IdiffusivityModel/diffusivityModel \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
     -I$(LIB_SRC)/meshTools/lnInclude \
     -I$(LIB_SRC)/sampling/lnInclude \
diff --git a/diffusivityModel/diffusivityModel.C b/diffusivityModel/diffusivityModel/diffusivityModel.C
similarity index 100%
rename from diffusivityModel/diffusivityModel.C
rename to diffusivityModel/diffusivityModel/diffusivityModel.C
diff --git a/diffusivityModel/diffusivityModel.H b/diffusivityModel/diffusivityModel/diffusivityModel.H
similarity index 100%
rename from diffusivityModel/diffusivityModel.H
rename to diffusivityModel/diffusivityModel/diffusivityModel.H
diff --git a/diffusivityModel/diffusivityModelI.H b/diffusivityModel/diffusivityModel/diffusivityModelI.H
similarity index 100%
rename from diffusivityModel/diffusivityModelI.H
rename to diffusivityModel/diffusivityModel/diffusivityModelI.H