diff --git a/test_problems/cathermo/DH_graph_1/.cvsignore b/test_problems/cathermo/DH_graph_1/.cvsignore
index cfcf9c707..0ebf5cb72 100644
--- a/test_problems/cathermo/DH_graph_1/.cvsignore
+++ b/test_problems/cathermo/DH_graph_1/.cvsignore
@@ -6,6 +6,7 @@ DH_NaCl_acommon.csv
 DH_NaCl_bdotak.csv
 DH_NaCl_dilute.csv
 DH_graph_1
+DH_graph_1.log
 DH_graph_1.d
 DH_graph_1.out
 csvCode.txt
diff --git a/test_problems/cathermo/DH_graph_1/DH_graph_1.cpp b/test_problems/cathermo/DH_graph_1/DH_graph_1.cpp
index 08d0ac7f2..1055a6a0e 100644
--- a/test_problems/cathermo/DH_graph_1/DH_graph_1.cpp
+++ b/test_problems/cathermo/DH_graph_1/DH_graph_1.cpp
@@ -26,11 +26,12 @@ class fileLog: public Logger {
 public:
     fileLog(string fName) {
 	m_fName = fName;
-	m_fs.open(fName.c_str());
+        m_fs.open(fName.c_str());
     }
     
     virtual void write(const string& msg) {
           m_fs << msg;
+          m_fs << endl;
     }
 
     virtual ~fileLog() {
@@ -38,7 +39,7 @@ public:
     }
     
     string m_fName;
-    fstream m_fs;
+    ofstream m_fs;
 
 };
 
@@ -73,7 +74,8 @@ int main(int argc, char **argv)
 
    int retn = 0;
    int i;
-   string commandFile = "vcs_Cantera.inp";
+   string fName = "DH_graph_1.log";
+   fileLog *fl = new fileLog(fName);
    try {
 
      char iFile[80];
@@ -81,7 +83,6 @@ int main(int argc, char **argv)
      if (argc > 1) {
        strcpy(iFile, argv[1]);
      }
-     fileLog *fl = new fileLog("DH_graph_1.log");
      setLogger(fl);
 
      DebyeHuckel *DH = new DebyeHuckel(iFile, "NaCl_electrolyte");
@@ -137,8 +138,10 @@ int main(int argc, char **argv)
      return retn;
 
    } catch (CanteraError) {
-
      showErrors();
+     if (fl) {
+       delete fl;
+     }
      return -1;
    }
 } 
diff --git a/test_problems/cathermo/DH_graph_1/runtest b/test_problems/cathermo/DH_graph_1/runtest
index 47a935a55..60de953e0 100755
--- a/test_problems/cathermo/DH_graph_1/runtest
+++ b/test_problems/cathermo/DH_graph_1/runtest
@@ -13,6 +13,10 @@ fi
 temp_success="0"
 /bin/rm  -f output.txt outputa.txt
 ##########################################################################
+CANTERA_DATA=${CANTERA_DATA:=../../../data/inputs}; export CANTERA_DATA
+
+CANTERA_BIN=${CANTERA_BIN:=../../../bin}
+
 prog=DH_graph_1
 if test ! -x $prog ; then
    echo $prog ' does not exist'
@@ -22,6 +26,7 @@ fi
 /bin/rm -f test.out test.diff   DH_graph_1.out
 
 echo 'Testing the  DH dilute act calculation - act vs I'
+/bin/rm -f DH_graph_1.out
 $prog  DH_NaCl_dilute.xml  > DH_graph_1.out
 retnStat=$?
 echo 'Making a comparison with the good saved solution: '
@@ -46,6 +51,7 @@ fi
 /bin/rm -f test.out test.diff DH_NaCl_acommon.csv
 
 echo 'Testing the  DH dilute act calculation - act vs I'
+/bin/rm DH_NaCl_acommon.csv
 $prog  DH_NaCl_acommon.xml > DH_NaCl_acommon.csv
 retnStat=$?
 echo 'Making a comparison with the good saved solution: '