diff --git a/src/d_base.cpp b/src/d_base.cpp
index bb1e15831abb9bd00a59a8d82dc4dbbc7197c1ce..057509edfec11c097f3cd339199c000248c0d1c6 100644
--- a/src/d_base.cpp
+++ b/src/d_base.cpp
@@ -99,7 +99,7 @@ int D_Base::get_arg_pos(const std::string &key) const {
 
   return std::distance(keys.begin(), it)+(nparams-keys.size());
 }
-size_t D_Base::size() { return s; };
+size_t D_Base::size() { return s; }
 double D_Base::get_rcut() { 
   return fcut->get_rcut(); 
 }