diff --git a/include/camp/resource.hpp b/include/camp/resource.hpp
index 9128516..2b71654 100644
--- a/include/camp/resource.hpp
+++ b/include/camp/resource.hpp
@@ -73,7 +73,7 @@ namespace resources
         }
         return *result->get();
       }
-      Platform get_platform() { return m_value->get_platform(); }
+      Platform get_platform() const { return m_value->get_platform(); }
       template <typename T>
       T *allocate(size_t size, MemoryAccess ma = MemoryAccess::Device)
       {
@@ -99,7 +99,7 @@ namespace resources
       {
       public:
         virtual ~ContextInterface() {}
-        virtual Platform get_platform() = 0;
+        virtual Platform get_platform() const = 0;
         virtual void *calloc(size_t size, MemoryAccess ma = MemoryAccess::Device) = 0;
         virtual void deallocate(void *p, MemoryAccess ma = MemoryAccess::Device) = 0;
         virtual void memcpy(void *dst, const void *src, size_t size) = 0;
@@ -115,7 +115,7 @@ namespace resources
       {
       public:
         ContextModel(T const &modelVal) : m_modelVal(modelVal) {}
-        Platform get_platform() override { return m_modelVal.get_platform(); }
+        Platform get_platform() const override { return m_modelVal.get_platform(); }
         void *calloc(size_t size, MemoryAccess ma = MemoryAccess::Device) override { return m_modelVal.calloc(size, ma); }
         void deallocate(void *p, MemoryAccess ma = MemoryAccess::Device) override { m_modelVal.deallocate(p, ma); }
         void memcpy(void *dst, const void *src, size_t size) override
diff --git a/include/camp/resource/cuda.hpp b/include/camp/resource/cuda.hpp
index 29cf278..5b746de 100644
--- a/include/camp/resource/cuda.hpp
+++ b/include/camp/resource/cuda.hpp
@@ -147,7 +147,7 @@ namespace resources
       }
 
       // Methods
-      Platform get_platform() { return Platform::cuda; }
+      Platform get_platform() const { return Platform::cuda; }
       static Cuda get_default()
       {
         static Cuda c([] {
diff --git a/include/camp/resource/hip.hpp b/include/camp/resource/hip.hpp
index c55328a..9e57ead 100644
--- a/include/camp/resource/hip.hpp
+++ b/include/camp/resource/hip.hpp
@@ -143,7 +143,7 @@ namespace resources
       }
 
       // Methods
-      Platform get_platform() { return Platform::hip; }
+      Platform get_platform() const { return Platform::hip; }
       static Hip get_default()
       {
         static Hip h([] {
diff --git a/include/camp/resource/host.hpp b/include/camp/resource/host.hpp
index eccdf27..b402bb2 100644
--- a/include/camp/resource/host.hpp
+++ b/include/camp/resource/host.hpp
@@ -38,7 +38,7 @@ namespace resources
       Host(int /* group */ = -1) {}
 
       // Methods
-      Platform get_platform() { return Platform::host; }
+      Platform get_platform() const { return Platform::host; }
       static Host get_default()
       {
         static Host h;
diff --git a/include/camp/resource/omp_target.hpp b/include/camp/resource/omp_target.hpp
index d40ef99..406f5da 100644
--- a/include/camp/resource/omp_target.hpp
+++ b/include/camp/resource/omp_target.hpp
@@ -89,7 +89,7 @@ namespace resources
       }
 
       // Methods
-      Platform get_platform() { return Platform::omp_target; }
+      Platform get_platform() const { return Platform::omp_target; }
       static Omp get_default()
       {
         static Omp o;
diff --git a/include/camp/resource/sycl.hpp b/include/camp/resource/sycl.hpp
index 6823d49..e77396f 100644
--- a/include/camp/resource/sycl.hpp
+++ b/include/camp/resource/sycl.hpp
@@ -130,7 +130,7 @@ namespace resources
       }
 
       // Methods
-      Platform get_platform() { return Platform::sycl; }
+      Platform get_platform() const { return Platform::sycl; }
       static Sycl get_default()
       {
         static Sycl h;
diff --git a/test/resource.cpp b/test/resource.cpp
index f32824a..57a05ba 100644
--- a/test/resource.cpp
+++ b/test/resource.cpp
@@ -40,15 +40,15 @@ TEST(CampResource, ConvertFails)
 }
 TEST(CampResource, GetPlatform)
 {
-  ASSERT_EQ(Resource(Host()).get_platform(), Platform::host);
+  ASSERT_EQ(static_cast<const Resource>(Host()).get_platform(), Platform::host);
 #ifdef CAMP_HAVE_CUDA
-  ASSERT_EQ(Resource(Cuda()).get_platform(), Platform::cuda);
+  ASSERT_EQ(static_cast<const Resource>(Cuda()).get_platform(), Platform::cuda);
 #endif
 #ifdef CAMP_HAVE_HIP
-  ASSERT_EQ(Resource(Hip()).get_platform(), Platform::hip);
+  ASSERT_EQ(static_cast<const Resource>(Hip()).get_platform(), Platform::hip);
 #endif
 #ifdef CAMP_HAVE_OMP_OFFLOAD
-  ASSERT_EQ(Resource(Omp()).get_platform(), Platform::omp_target);
+  ASSERT_EQ(static_cast<const Resource>(Omp()).get_platform(), Platform::omp_target);
 #endif
 }
 TEST(CampResource, ConvertWorks)