diff --git a/Utils/CheckAliRootVersion.C b/Utils/CheckAliRootVersion.C
index 5287e7b3..a6f4e48d 100644
--- a/Utils/CheckAliRootVersion.C
+++ b/Utils/CheckAliRootVersion.C
@@ -2,12 +2,13 @@
 ///   (extracted from ALIEN_JDL_PACKAGES ot ALIEN_PACKAGES)
 /// against the version passed as argument
 /// Example:  IsAliPhysicsMoreRecentThan("v5-09-20")
+/// with  ALIEN_JDL_PACKAGES=VO_ALICE@AliPhysics::v5-09-41a-01-1
 
 
 Bool_t IsAliPhysicsMoreRecentThan(TString version){
 
   Int_t vvv,nnn1,nnn2;
-  sscanf(version,"v%d-%d-%d",&vvv,&nnn1,&nnn2);
+  sscanf(version.Data(),"v%d-%d-%d",&vvv,&nnn1,&nnn2);
   
   // check if ALIEN_JDL_PACKAGES exists
   // if not, try with ALIEN_PACKAGES
@@ -44,9 +45,49 @@ Bool_t IsAliPhysicsMoreRecentThan(TString version){
   }
 }
 
+Bool_t IsAliPhysicsMoreRecentThanOrEqualTo(TString version){
+
+  Int_t vvv,nnn1,nnn2;
+  sscanf(version.Data(),"v%d-%d-%d",&vvv,&nnn1,&nnn2);
+  
+  // check if ALIEN_JDL_PACKAGES exists
+  // if not, try with ALIEN_PACKAGES
+  if(!gSystem->Getenv("ALIEN_JDL_PACKAGES"))
+    if(gSystem->Getenv("ALIEN_PACKAGES")){
+      gSystem->Setenv("ALIEN_JDL_PACKAGES", gSystem->Getenv("ALIEN_PACKAGES"));
+      printf("Using ALIEN_PACKAGES instead of ALIEN_JDL_PACKAGES\n");
+    }
+
+  if(gSystem->Getenv("ALIEN_JDL_PACKAGES")){
+    TString packg=gSystem->Getenv("ALIEN_JDL_PACKAGES");
+    Int_t pos1=packg.Index("AliPhysics");
+    TString subs=packg(pos1,packg.Length()-pos1);
+    Int_t pos2=subs.Index("VO_ALICE");
+    if(pos2<=0) pos2=subs.Length();
+    TString aliph=subs(0,pos2);
+    Int_t ver,n1,n2;
+    Char_t str2[20];
+    sscanf(aliph.Data(),"AliPhysics::v%d-%d-%02d%s",&ver,&n1,&n2,str2);
+    if(ver<vvv) return kFALSE;
+    else if(ver>vvv) return kTRUE;
+    else if(ver==vvv){
+      if(n1<nnn1) return kFALSE;
+      else if(n1>nnn1) return kTRUE;
+      else if(n1==nnn1){
+	if (n2 < nnn2) return kFALSE; // we check if it is "<=" (here is the difference wrt line 37
+	else return kTRUE;
+      }
+    }
+  }else{
+    printf("ALIEN_PACKAGES and ALIEN_JDL_PACKAGES not defined\n");
+    printf("  --> Cannot check AliPhysics version\n");
+    return kTRUE;
+  }
+}
+
 Bool_t IsAliPhysicsEqualTo(TString version){
   Int_t vvv,nnn1,nnn2;
-  sscanf(version,"v%d-%d-%d",&vvv,&nnn1,&nnn2);
+  sscanf(version.Data(),"v%d-%d-%d",&vvv,&nnn1,&nnn2);
   
   // check if ALIEN_JDL_PACKAGES exists
   // if not, try with ALIEN_PACKAGES