diff --git a/c_runtime/ModelicaExternalC/ModelicaTablesImpl.c b/c_runtime/ModelicaExternalC/ModelicaTablesImpl.c
index e153a1c86f6..ca8ac01bd3f 100644
--- a/c_runtime/ModelicaExternalC/ModelicaTablesImpl.c
+++ b/c_runtime/ModelicaExternalC/ModelicaTablesImpl.c
@@ -54,7 +54,7 @@ int ModelicaTables_CombiTable1D_init(const char* tableName, const char* fileName
                                        double const *table, int nRow, int nColumn,
                                        int smoothness)
 {
-  return omcTableTimeIni(0.0, 0.0, smoothness, 2 /* extrapolate based on two first/last values */, tableName, fileName, table, nRow, nColumn, 0);
+  return omcTableTimeIni(*table, *table, smoothness, 2 /* extrapolate based on two first/last values */, tableName, fileName, table, nRow, nColumn, 0);
 }
 
 void ModelicaTables_CombiTable1D_close(int tableID) 
diff --git a/c_runtime/tables.cpp b/c_runtime/tables.cpp
index b180ec8f7c4..6bda21a8cd6 100644
--- a/c_runtime/tables.cpp
+++ b/c_runtime/tables.cpp
@@ -645,15 +645,17 @@ double InterpolationTable::interpolate(double time, size_t col) const
   if (!data) return 0.0;
 
   // substract time offset
-  time -= startTime;
+  //fprintf(stderr, "time %g startTime %g\n", time, startTime);
   
-  if (time < 0.0)
+  if (time < minTime())
     return extrapolate(time,col,time <= minTime());
 
-  for(size_t i = 1; i < lastIdx; ++i)
+  for(size_t i = 0; i < lastIdx; ++i) {
+    //fprintf(stderr, "getElt: %d %g->%g\n", i, getElt(i,0), getElt(i,1));
     if (getElt(i,0) > time) {
       return interpolateLin(time, i-1,col);
     }
+  }
   return extrapolate(time,col,time <= minTime());
 }
 bool InterpolationTable::compare(const char* fname, const char* tname,