diff --git a/examples/test_util/ESmry.cpp b/examples/test_util/ESmry.cpp
index 216fe7b25..e9e6db2a8 100644
--- a/examples/test_util/ESmry.cpp
+++ b/examples/test_util/ESmry.cpp
@@ -153,10 +153,9 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData)
     // n=file number, i = position in param array in file n (one array pr time step), example arrayInd[n][i] = position in keyword list (std::set) 
 
     std::vector<std::vector<int>> arrayInd;
-    std::vector<int> tmpVect(keywList.size(), -1);
     
     for (int i = 0; i < nFiles; i++){
-        arrayInd.push_back(tmpVect);
+        arrayInd.push_back({});
     }
     
     int n = nFiles - 1;
@@ -178,6 +177,9 @@ ESmry::ESmry(const std::string &filename, bool loadBaseRunData)
         std::vector<std::string> wgnames = smspec.get<std::string>("WGNAMES");
         std::vector<int> nums = smspec.get<int>("NUMS");
 
+	std::vector<int> tmpVect(keywords.size(), -1);
+        arrayInd[n]=tmpVect;
+
         std::set<std::string>::iterator it;
 
         for (size_t i=0; i < keywords.size(); i++) {