diff --git a/src/min_fire.cpp b/src/min_fire.cpp
index c8ade7dcb2..aec66b85ae 100644
--- a/src/min_fire.cpp
+++ b/src/min_fire.cpp
@@ -49,6 +49,9 @@ void MinFire::init()
   Min::init();
 
   dt = update->dt;
+  dtmax = TMAX * dt;
+  alpha = ALPHA0;
+  last_negative = update->ntimestep;
 }
 
 /* ---------------------------------------------------------------------- */
@@ -87,9 +90,6 @@ int MinFire::iterate(int maxiter)
   int flag,flagall;
 
   alpha_final = 0.0;
-  double alpha = ALPHA0;
-  double dtmax = TMAX * dt;
-  bigint last_negative = update->ntimestep;
 
   for (int iter = 0; iter < maxiter; iter++) {
     ntimestep = ++update->ntimestep;
diff --git a/src/min_fire.h b/src/min_fire.h
index 54867d6c6b..9f1be75300 100644
--- a/src/min_fire.h
+++ b/src/min_fire.h
@@ -34,7 +34,9 @@ class MinFire : public Min {
   int iterate(int);
 
  private:
-  double dt;
+  double dt,dtmax;
+  double alpha;
+  bigint last_negative;
 };
 
 }
diff --git a/src/min_quickmin.cpp b/src/min_quickmin.cpp
index ee6766af2f..04a33b6b23 100644
--- a/src/min_quickmin.cpp
+++ b/src/min_quickmin.cpp
@@ -46,6 +46,7 @@ void MinQuickMin::init()
   Min::init();
 
   dt = update->dt;
+  last_negative = update->ntimestep;
 }
 
 /* ---------------------------------------------------------------------- */
@@ -85,7 +86,6 @@ int MinQuickMin::iterate(int maxiter)
   int flag,flagall;
 
   alpha_final = 0.0;
-  bigint last_negative = update->ntimestep;
 
   for (int iter = 0; iter < maxiter; iter++) {
     ntimestep = ++update->ntimestep;
diff --git a/src/min_quickmin.h b/src/min_quickmin.h
index bfb2af941e..443961972a 100644
--- a/src/min_quickmin.h
+++ b/src/min_quickmin.h
@@ -35,6 +35,7 @@ class MinQuickMin : public Min {
 
  private:
   double dt;
+  bigint last_negative;
 };
 
 }