diff --git a/src/.gitignore b/src/.gitignore
index 0d802981f9..f0ac3a1ff9 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -163,6 +163,8 @@
 /min_spin.h
 /min_spin_oso_cg.cpp
 /min_spin_oso_cg.h
+/min_spin_oso_lbfgs.cpp
+/min_spin_oso_lbfgs.h
 /neb_spin.cpp
 /neb_spin.h
 /pair_spin.cpp
diff --git a/src/SPIN/min_spin_oso_lbfgs.cpp b/src/SPIN/min_spin_oso_lbfgs.cpp
index f3643168a4..23cb3718c8 100644
--- a/src/SPIN/min_spin_oso_lbfgs.cpp
+++ b/src/SPIN/min_spin_oso_lbfgs.cpp
@@ -361,12 +361,12 @@ void MinSpinOSO_LBFGS::calc_search_direction(int iter)
 
     }
   } else {
-      dyds = 0.0;
-      for (int i = 0; i < 3 * nlocal; i++) {
-        ds[m_index][i] = p_s[i];
-        dy[m_index][i] = g_cur[i] - g_old[i];
-        dyds += ds[m_index][i] * dy[m_index][i];
-      }
+    dyds = 0.0;
+    for (int i = 0; i < 3 * nlocal; i++) {
+      ds[m_index][i] = p_s[i];
+      dy[m_index][i] = g_cur[i] - g_old[i];
+      dyds += ds[m_index][i] * dy[m_index][i];
+    }
     MPI_Allreduce(&dyds, &dyds_global, 1, MPI_DOUBLE, MPI_SUM, world);
     if (fabs(dyds) > 1.0e-60) rho[m_index] = 1.0 / dyds_global;
     else rho[m_index] = 1.0e60;
@@ -409,7 +409,7 @@ void MinSpinOSO_LBFGS::calc_search_direction(int iter)
     }
     MPI_Allreduce(&yy, &yy_global, 1, MPI_DOUBLE, MPI_SUM, world);
 
-      // calculate now search direction
+    // calculate now search direction
 
     if (fabs(yy_global) > 1.0e-60) {
       for (int i = 0; i < 3 * nlocal; i++) {
diff --git a/src/SPIN/neb_spin.cpp b/src/SPIN/neb_spin.cpp
index 126cfb09e3..9ab461cbe6 100644
--- a/src/SPIN/neb_spin.cpp
+++ b/src/SPIN/neb_spin.cpp
@@ -50,6 +50,7 @@
 #include "memory.h"
 #include "error.h"
 #include "math_const.h"
+#include "utils.h"
 
 using namespace LAMMPS_NS;
 using namespace MathConst;
@@ -194,8 +195,8 @@ void NEBSpin::run()
 
   if (update->minimize->searchflag)
     error->all(FLERR,"NEBSpin requires damped dynamics minimizer");
-  if (strcmp(update->minimize_style,"spin") != 0)
-    error->all(FLERR,"NEBSpin requires spin minimizer");
+  if (!utils::strmatch(update->minimize_style,"^spin"))
+    error->all(FLERR,"NEBSpin requires a spin minimizer");
 
   // setup regular NEBSpin minimization