diff --git a/src/thermophysicalModels/specie/specie/specieI.H b/src/thermophysicalModels/specie/specie/specieI.H
index 76d979b3..72b2bede 100644
--- a/src/thermophysicalModels/specie/specie/specieI.H
+++ b/src/thermophysicalModels/specie/specie/specieI.H
@@ -41,7 +41,8 @@ inline specie::specie
 :
     name_(name),
     nMoles_(nMoles),
-    molWeight_(molWeight)
+    molWeight_(molWeight),
+    nCharges_(0.0)
 {}
 
 
@@ -52,7 +53,8 @@ inline specie::specie
 )
 :
     nMoles_(nMoles),
-    molWeight_(molWeight)
+    molWeight_(molWeight),
+    nCharges_(0.0)
 {}
 
 
@@ -62,7 +64,8 @@ inline specie::specie(const specie& st)
 :
     name_(st.name_),
     nMoles_(st.nMoles_),
-    molWeight_(st.molWeight_)
+    molWeight_(st.molWeight_),
+    nCharges_(st.nCharges_)
 {}
 
 
@@ -70,7 +73,8 @@ inline specie::specie(const word& name, const specie& st)
 :
     name_(name),
     nMoles_(st.nMoles_),
-    molWeight_(st.molWeight_)
+    molWeight_(st.molWeight_),
+    nCharges_(st.nCharges_)
 {}