diff --git a/src/loadRamses.cpp b/src/loadRamses.cpp
index 5306536..74ee575 100644
--- a/src/loadRamses.cpp
+++ b/src/loadRamses.cpp
@@ -196,6 +196,8 @@ typedef struct
   double aexp;
   double boxSize;
   double unit_t;
+  double omega_m;
+  double omega_lambda;
 } InfoData;
 
 int readInfoFile(const char *basename, int outputId, InfoData& info)
@@ -251,6 +253,8 @@ int readInfoFile(const char *basename, int outputId, InfoData& info)
   info.aexp = infoMap["aexp"];
   info.boxSize = infoMap["boxlen"];
   info.unit_t = infoMap["unit_t"];
+  info.omega_m = infoMap["omega_m"];
+  info.omega_lambda = infoMap["omega_l"];
 
   return 1;
 }
@@ -311,6 +315,9 @@ CosmoTool::SimuData *CosmoTool::loadRamsesSimu(const char *basename, int outputI
   data->time = info.aexp;
   data->NumPart = 0;
   data->TotalNumPart = totPart;
+  data->Hubble = hubble;
+  data->Omega_M = info.omega_m;
+  data->Omega_Lambda = info.omega_lambda;
 
   if (cpuid < 0)
     cpuid = 1;
diff --git a/src/loadSimu.hpp b/src/loadSimu.hpp
index 79693f5..a7db941 100644
--- a/src/loadSimu.hpp
+++ b/src/loadSimu.hpp
@@ -14,6 +14,10 @@ namespace CosmoTool
   public:
     float BoxSize;
     float time;
+    float Hubble;
+
+    float Omega_M;
+    float Omega_Lambda;
 
     long NumPart;
     long TotalNumPart;