diff --git a/src/extensions.jl b/src/extensions.jl
index 23536837..27efd4c9 100644
--- a/src/extensions.jl
+++ b/src/extensions.jl
@@ -1,8 +1,28 @@
 # extensions
 
 # stubs that need ArchGDAL
-resample(args...; kw...) = throw(BackendException("ArchGDAL"))
-warp(args...; kw...) = throw(BackendException("ArchGDAL"))
+function resample(args...; kw...)
+    @static if isdefined(Base, :get_extension) # julia > 1.9
+        if isnothing(Base.get_extension(Rasters, :RastersArchGDALExt))
+            throw(BackendException("ArchGDAL"))
+        else
+            throw(MethodError(resample, args))
+        end
+    else
+        throw(BackendException("ArchGDAL"))
+    end
+end
+function warp(args...; kw...)
+    @static if isdefined(Base, :get_extension) # julia > 1.9
+        if isnothing(Base.get_extension(Rasters, :RastersArchGDALExt))
+            throw(BackendException("ArchGDAL"))
+        else
+            throw(MethodError(warp, args))
+        end
+    else
+        throw(BackendException("ArchGDAL"))
+    end
+end
 
 # Other shared stubs
 function layerkeys end
diff --git a/test/extensions.jl b/test/extensions.jl
new file mode 100644
index 00000000..8d29c768
--- /dev/null
+++ b/test/extensions.jl
@@ -0,0 +1,11 @@
+using Test, Rasters
+
+# These methods should throw a BackendException
+@test_throws Rasters.BackendException resample(1, 2, 3)
+@test_throws Rasters.BackendException warp(1, 2, 3)
+
+import ArchGDAL
+
+# Should throw a MethodError now that ArchGDAL is loaded
+@test_throws MethodError resample(1, 2, 3)
+@test_throws MethodError warp(1, 2, 3)
diff --git a/test/runtests.jl b/test/runtests.jl
index 9bea5a10..a03c7224 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -8,6 +8,7 @@ if VERSION >= v"1.9.0"
     Aqua.test_project_extras(Rasters)
     Aqua.test_deps_compat(Rasters)
     # Aqua.test_project_toml_formatting(Rasters)
+    @time @safetestset "extensions" begin include("extensions.jl") end
 end