diff --git a/src/kinetics/FalloffFactory.cpp b/src/kinetics/FalloffFactory.cpp
index e2be6510d..e02d304bd 100644
--- a/src/kinetics/FalloffFactory.cpp
+++ b/src/kinetics/FalloffFactory.cpp
@@ -5,6 +5,7 @@
 
 #include "cantera/kinetics/FalloffFactory.h"
 #include "cantera/base/ctexceptions.h"
+#include "cantera/base/stringUtils.h"
 
 #include <cmath>
 
@@ -350,6 +351,10 @@ public:
      *          a, b, and c of the SRI parameterization
      */
     virtual void init(const vector_fp& c) {
+        if (c[2] < 0.0) {
+            throw CanteraError("SRI3::init()",
+                               "m_c parameter is less than zero: " + fp2str(c[2]));
+        }
         m_a = c[0];
         m_b = c[1];
         m_c = c[2];
@@ -459,6 +464,14 @@ public:
      *          a, b, c, d, and e of the SRI parameterization
      */
     virtual void init(const vector_fp& c) {
+        if (c[2] < 0.0) {
+            throw CanteraError("SRI5::init()",
+                               "m_c parameter is less than zero: " + fp2str(c[2]));
+        }
+        if (c[3] < 0.0) {
+            throw CanteraError("SRI5::init()",
+                               "m_d parameter is less than zero: " + fp2str(c[3]));
+        }
         m_a = c[0];
         m_b = c[1];
         m_c = c[2];
diff --git a/src/kinetics/importKinetics.cpp b/src/kinetics/importKinetics.cpp
index 6cb8c3c38..5d23eb8ce 100644
--- a/src/kinetics/importKinetics.cpp
+++ b/src/kinetics/importKinetics.cpp
@@ -431,23 +431,8 @@ static void getFalloff(const XML_Node& f, ReactionData& rdata)
     if (type == "Troe") {
         if (np == 4) {
             rdata.falloffType = TROE4_FALLOFF;
-            if (c[1] < 0.0) {
-                throw CanteraError("getFalloff()", "Troe4 T3 parameter is less than zero: " + fp2str(c[1]));
-            }
-            if (c[2] < 0.0) {
-                throw CanteraError("getFalloff()", "Troe4 T1 parameter is less than zero: " + fp2str(c[2]));
-            }
-            if (c[3] < 0.0) {
-                throw CanteraError("getFalloff()", "Troe4 T2 parameter is less than zero: " + fp2str(c[3]));
-            }
         } else if (np == 3) {
             rdata.falloffType = TROE3_FALLOFF;
-            if (c[1] < 0.0) {
-                throw CanteraError("getFalloff()", "Troe3 T3 parameter is less than zero: " + fp2str(c[1]));
-            }
-            if (c[2] < 0.0) {
-                throw CanteraError("getFalloff()", "Troe3 T1 parameter is less than zero: " + fp2str(c[2]));
-            }
         } else {
             throw CanteraError("getFalloff()", "Troe parameterization is specified by number of pararameters, "
                                + int2str(np) + ", is not equal to 3 or 4");