diff --git a/lib/gpu/lal_sw.cu b/lib/gpu/lal_sw.cu
index 1de6aea920..a974c5f193 100644
--- a/lib/gpu/lal_sw.cu
+++ b/lib/gpu/lal_sw.cu
@@ -670,20 +670,20 @@ __kernel void k_sw_three_end(const __global numtyp4 *restrict x_,
         //   this loop apparently iterates over neighbors of j that are not intended
         const numtyp cutsq_jk=sw_cut_ik*sw_cut_ik;
         if (!(rsq2>(numtyp)0 && rsq2<cutsq_jk)) continue;
-        
+
         #ifndef ONETYPE
         const numtyp sw_sigma_gamma_ik=cut_sig_gamma[mtypek].y;
         const int mtypejik=jtype*ntypes*ntypes+itype+ktype;
         const numtyp sw_lambda_epsilon_ijk=sw_pre3[mtypejik].x;
         const numtyp sw_costheta_ijk=sw_pre3[mtypejik].y;
         #endif
-       
+
         numtyp fjx, fjy, fjz;
         threebody_half(delr1x,delr1y,delr1z,delr2x,delr2y,delr2z);
-       
+
         f.x += fjx;
         f.y += fjy;
-        f.z += fjz;        
+        f.z += fjz;
       }
     } // for nbor
   } // if ii