diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 7513f38..3c43b41 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -50,15 +50,15 @@ if(APPLE)
   set(CMAKE_MODULE_LINKER_FLAGS "-undefined dynamic_lookup")
 endif()
 
-target_link_libraries(_cosmotool ${CosmoTool_local} ${PYTHON_LIBRARIES} ${GSL_LIBRARIES})
-target_link_libraries(_cosmo_power ${CosmoTool_local} ${PYTHON_LIBRARIES} ${GSL_LIBRARIES})
-target_link_libraries(_cosmo_cic ${CosmoTool_local} ${PYTHON_LIBRARIES} ${GSL_LIBRARIES})
-target_link_libraries(_project ${PYTHON_LIBRARIES})
-target_link_libraries(_fast_interp ${CosmoTool_local} ${PYTHON_LIBRARIES})
+target_link_libraries(_cosmotool ${CosmoTool_local} ${PYTHON_LIBRARY} ${GSL_LIBRARIES})
+target_link_libraries(_cosmo_power ${CosmoTool_local} ${PYTHON_LIBRARY} ${GSL_LIBRARIES})
+target_link_libraries(_cosmo_cic ${CosmoTool_local} ${PYTHON_LIBRARY} ${GSL_LIBRARIES})
+target_link_libraries(_project ${PYTHON_LIBRARY})
+target_link_libraries(_fast_interp ${CosmoTool_local} ${PYTHON_LIBRARY})
 
 SET(ct_TARGETS   _cosmotool _project _cosmo_power _cosmo_cic _fast_interp )
 
-if (Boost_FOUND)
+if (FALSE AND Boost_FOUND)
   message(STATUS "Building bispectrum support (path = ${Boost_INCLUDE_DIRS})")
   include_directories(${Boost_INCLUDE_DIRS})
   add_library(_cosmo_bispectrum MODULE _cosmo_bispectrum.cpp)
diff --git a/python/_project.pyx b/python/_project.pyx
index 9d61cec..0974383 100644
--- a/python/_project.pyx
+++ b/python/_project.pyx
@@ -545,6 +545,7 @@ def project_cic(npx.ndarray[DTYPE_t, ndim=2] x not None, npx.ndarray[DTYPE_t, nd
     cdef npx.ndarray[DTYPE_t, ndim=3] g
     cdef double shifter
     cdef bool local_periodic
+    cdef DTYPE_t[:] d_mass
 
     local_periodic = periodic
 
@@ -560,21 +561,25 @@ def project_cic(npx.ndarray[DTYPE_t, ndim=2] x not None, npx.ndarray[DTYPE_t, nd
         raise ValueError("Mass array and coordinate array must have the same number of elements")
 
     g = np.zeros((Ngrid,Ngrid,Ngrid),dtype=DTYPE)
+    cdef DTYPE_t[:,:,:] d_g = g
+    cdef DTYPE_t[:,:] d_x = x
 
     if not local_periodic:
-        if mass is None:
+       if mass is None:
          with nogil:
-           INTERNAL_project_cic_no_mass(g, x, Ngrid, Lbox, shifter)
-        else:
+           INTERNAL_project_cic_no_mass(d_g, d_x, Ngrid, Lbox, shifter)
+       else:
+         d_mass = mass
          with nogil:
-           INTERNAL_project_cic_with_mass(g, x, mass, Ngrid, Lbox, shifter)       
+           INTERNAL_project_cic_with_mass(d_g, d_x, d_mass, Ngrid, Lbox, shifter)       
     else:
-        if mass is None:
+       if mass is None:
          with nogil:
-          INTERNAL_project_cic_no_mass_periodic(g, x, Ngrid, Lbox, shifter)
-        else:
+          INTERNAL_project_cic_no_mass_periodic(d_g, d_x, Ngrid, Lbox, shifter)
+       else:
+         d_mass = mass
          with nogil:
-          INTERNAL_project_cic_with_mass_periodic(g, x, mass, Ngrid, Lbox, shifter)       
+          INTERNAL_project_cic_with_mass_periodic(d_g, d_x, d_mass, Ngrid, Lbox, shifter)       
          
     return g