diff --git a/src/USER-EFF/fix_nvt_sllod_eff.cpp b/src/USER-EFF/fix_nvt_sllod_eff.cpp
index 13cb34048c..ed2274dcf9 100644
--- a/src/USER-EFF/fix_nvt_sllod_eff.cpp
+++ b/src/USER-EFF/fix_nvt_sllod_eff.cpp
@@ -75,7 +75,7 @@ void FixNVTSllodEff::init()
 
   int i;
   for (i = 0; i < modify->nfix; i++)
-    if (strcmp(modify->fix[i]->style,"deform") == 0) {
+    if (strncmp(modify->fix[i]->style,"deform",6) == 0) {
       if (((FixDeform *) modify->fix[i])->remapflag != Domain::V_REMAP)
         error->all(FLERR,"Using fix nvt/sllod/eff with inconsistent fix deform "
                    "remap option");
diff --git a/src/USER-INTEL/fix_nvt_sllod_intel.cpp b/src/USER-INTEL/fix_nvt_sllod_intel.cpp
index ad7e1384f0..f5a5dabfb1 100644
--- a/src/USER-INTEL/fix_nvt_sllod_intel.cpp
+++ b/src/USER-INTEL/fix_nvt_sllod_intel.cpp
@@ -76,7 +76,7 @@ void FixNVTSllodIntel::init()
 
   int i;
   for (i = 0; i < modify->nfix; i++)
-    if (strcmp(modify->fix[i]->style,"deform") == 0) {
+    if (strncmp(modify->fix[i]->style,"deform",6) == 0) {
       if (((FixDeform *) modify->fix[i])->remapflag != Domain::V_REMAP)
         error->all(FLERR,"Using fix nvt/sllod with inconsistent fix deform "
                    "remap option");
diff --git a/src/USER-OMP/fix_nvt_sllod_omp.cpp b/src/USER-OMP/fix_nvt_sllod_omp.cpp
index 6ef1188d53..e439647c12 100644
--- a/src/USER-OMP/fix_nvt_sllod_omp.cpp
+++ b/src/USER-OMP/fix_nvt_sllod_omp.cpp
@@ -82,7 +82,7 @@ void FixNVTSllodOMP::init()
 
   int i;
   for (i = 0; i < modify->nfix; i++)
-    if (strcmp(modify->fix[i]->style,"deform") == 0) {
+    if (strncmp(modify->fix[i]->style,"deform",6) == 0) {
       if (((FixDeform *) modify->fix[i])->remapflag != Domain::V_REMAP)
         error->all(FLERR,"Using fix nvt/sllod/omp with inconsistent fix "
                    "deform remap option");
diff --git a/src/fix_nvt_sllod.cpp b/src/fix_nvt_sllod.cpp
index 1893829586..c7d23364a7 100644
--- a/src/fix_nvt_sllod.cpp
+++ b/src/fix_nvt_sllod.cpp
@@ -80,7 +80,7 @@ void FixNVTSllod::init()
 
   int i;
   for (i = 0; i < modify->nfix; i++)
-    if (strstr(modify->fix[i]->style,"deform")) {
+    if (strncmp(modify->fix[i]->style,"deform",6) == 0) {
       if (((FixDeform *) modify->fix[i])->remapflag != Domain::V_REMAP)
         error->all(FLERR,"Using fix nvt/sllod with inconsistent fix deform "
                    "remap option");