diff --git a/src/Makefile b/src/Makefile
index d172e4dc14..3d4843a1bd 100755
--- a/src/Makefile
+++ b/src/Makefile
@@ -14,7 +14,7 @@ OBJ = 	$(SRC:.cpp=.o)
 # Package variables
 
 PACKAGE = asphere class2 colloid dipole dsmc gpu granular \
-	  kspace manybody meam molecule opt peri poems prd reax xtc
+	  kspace manybody meam molecule opt peri poems prd reax shock xtc
 
 PACKUSER = user-ackland user-atc user-cd-eam user-cg-cmm user-ewaldn \
 	   user-imd user-smd
diff --git a/src/fix_wall_reflect.cpp b/src/fix_wall_reflect.cpp
index 7e93c2da0e..26d35980e6 100644
--- a/src/fix_wall_reflect.cpp
+++ b/src/fix_wall_reflect.cpp
@@ -74,7 +74,7 @@ FixWallReflect::FixWallReflect(LAMMPS *lmp, int narg, char **arg) :
       if (iarg+2 > narg) error->all("Illegal fix wall/reflect command");
       if (strcmp(arg[iarg+1],"EDGE") == 0) {
 	yloflag = EDGE;
-	ylo = domain->boxlo[0];
+	ylo = domain->boxlo[1];
       } else if (strstr(arg[iarg+1],"v_") == arg[iarg+1]) {
 	yloflag = VARIABLE;
 	int n = strlen(&arg[iarg+1][2]) + 1;
@@ -89,7 +89,7 @@ FixWallReflect::FixWallReflect(LAMMPS *lmp, int narg, char **arg) :
       if (iarg+2 > narg) error->all("Illegal fix wall/reflect command");
       if (strcmp(arg[iarg+1],"EDGE") == 0) {
 	yhiflag = EDGE;
-	yhi = domain->boxhi[0];
+	yhi = domain->boxhi[1];
       } else if (strstr(arg[iarg+1],"v_") == arg[iarg+1]) {
 	yhiflag = VARIABLE;
 	int n = strlen(&arg[iarg+1][2]) + 1;
@@ -104,7 +104,7 @@ FixWallReflect::FixWallReflect(LAMMPS *lmp, int narg, char **arg) :
       if (iarg+2 > narg) error->all("Illegal fix wall/reflect command");
       if (strcmp(arg[iarg+1],"EDGE") == 0) {
 	zloflag = EDGE;
-	zlo = domain->boxlo[0];
+	zlo = domain->boxlo[2];
       } else if (strstr(arg[iarg+1],"v_") == arg[iarg+1]) {
 	zloflag = VARIABLE;
 	int n = strlen(&arg[iarg+1][2]) + 1;
@@ -119,7 +119,7 @@ FixWallReflect::FixWallReflect(LAMMPS *lmp, int narg, char **arg) :
       if (iarg+2 > narg) error->all("Illegal fix wall/reflect command");
       if (strcmp(arg[iarg+1],"EDGE") == 0) {
 	zhiflag = EDGE;
-	zhi = domain->boxhi[0];
+	zhi = domain->boxhi[2];
       } else if (strstr(arg[iarg+1],"v_") == arg[iarg+1]) {
 	zhiflag = VARIABLE;
 	int n = strlen(&arg[iarg+1][2]) + 1;