diff --git a/polly/include/polly/ScopInfo.h b/polly/include/polly/ScopInfo.h
index 78f649f2fd85..1b78efca60ac 100644
--- a/polly/include/polly/ScopInfo.h
+++ b/polly/include/polly/ScopInfo.h
@@ -2128,12 +2128,12 @@ public:
   /// @brief Return the domain of @p Stmt.
   ///
   /// @param Stmt The statement for which the conditions should be returned.
-  __isl_give isl_set *getDomainConditions(ScopStmt *Stmt);
+  __isl_give isl_set *getDomainConditions(const ScopStmt *Stmt) const;
 
   /// @brief Return the domain of @p BB.
   ///
   /// @param BB The block for which the conditions should be returned.
-  __isl_give isl_set *getDomainConditions(BasicBlock *BB);
+  __isl_give isl_set *getDomainConditions(BasicBlock *BB) const;
 
   /// @brief Get a union set containing the iteration domains of all statements.
   __isl_give isl_union_set *getDomains() const;
diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp
index 438e380a4932..f2ebce88dc66 100644
--- a/polly/lib/Analysis/ScopInfo.cpp
+++ b/polly/lib/Analysis/ScopInfo.cpp
@@ -2179,11 +2179,11 @@ static inline __isl_give isl_set *addDomainDimId(__isl_take isl_set *Domain,
   return isl_set_set_dim_id(Domain, isl_dim_set, Dim, DimId);
 }
 
-__isl_give isl_set *Scop::getDomainConditions(ScopStmt *Stmt) {
+__isl_give isl_set *Scop::getDomainConditions(const ScopStmt *Stmt) const {
   return getDomainConditions(Stmt->getEntryBlock());
 }
 
-__isl_give isl_set *Scop::getDomainConditions(BasicBlock *BB) {
+__isl_give isl_set *Scop::getDomainConditions(BasicBlock *BB) const {
   auto DIt = DomainMap.find(BB);
   if (DIt != DomainMap.end())
     return isl_set_copy(DIt->getSecond());