diff --git a/src/tint/lang/wgsl/resolver/type_validation_test.cc b/src/tint/lang/wgsl/resolver/type_validation_test.cc
index 27bc29b..541856e 100644
--- a/src/tint/lang/wgsl/resolver/type_validation_test.cc
+++ b/src/tint/lang/wgsl/resolver/type_validation_test.cc
@@ -1143,7 +1143,19 @@
     EXPECT_EQ(r()->error(), R"(12:34 error: 'texture_storage_1d' requires 2 template arguments)");
 }
 
-TEST_F(StorageTextureAccessTest, ReadOnlyAccess_Fail) {
+TEST_F(StorageTextureAccessTest, WriteOnlyAccess_Pass) {
+    // @group(0) @binding(0)
+    // var a : texture_storage_1d<r32uint, write>;
+
+    auto st = ty.storage_texture(core::type::TextureDimension::k1d, core::TexelFormat::kR32Uint,
+                                 core::Access::kWrite);
+
+    GlobalVar("a", st, Group(0_a), Binding(0_a));
+
+    EXPECT_TRUE(r()->Resolve()) << r()->error();
+}
+
+TEST_F(StorageTextureAccessTest, ReadOnlyAccess_WithoutExtension_Fail) {
     // @group(0) @binding(0)
     // var a : texture_storage_1d<r32uint, read>;
 
@@ -1154,15 +1166,18 @@
 
     EXPECT_FALSE(r()->Resolve());
     EXPECT_EQ(r()->error(),
-              "12:34 error: storage textures currently only support 'write' access control");
+              "12:34 error: read-only storage textures require the "
+              "chromium_experimental_read_write_storage_texture extension to be enabled");
 }
 
-TEST_F(StorageTextureAccessTest, WriteOnlyAccess_Pass) {
+TEST_F(StorageTextureAccessTest, ReadOnlyAccess_WithExtension_Pass) {
+    // enable chromium_experimental_read_write_storage_texture;
     // @group(0) @binding(0)
-    // var a : texture_storage_1d<r32uint, write>;
+    // var a : texture_storage_1d<r32uint, read>;
 
-    auto st = ty.storage_texture(core::type::TextureDimension::k1d, core::TexelFormat::kR32Uint,
-                                 core::Access::kWrite);
+    Enable(core::Extension::kChromiumExperimentalReadWriteStorageTexture);
+    auto st = ty.storage_texture(Source{{12, 34}}, core::type::TextureDimension::k1d,
+                                 core::TexelFormat::kR32Uint, core::Access::kRead);
 
     GlobalVar("a", st, Group(0_a), Binding(0_a));
 
diff --git a/src/tint/lang/wgsl/resolver/validator.cc b/src/tint/lang/wgsl/resolver/validator.cc
index 11b9971..42f7e84 100644
--- a/src/tint/lang/wgsl/resolver/validator.cc
+++ b/src/tint/lang/wgsl/resolver/validator.cc
@@ -312,6 +312,16 @@
 
 bool Validator::StorageTexture(const core::type::StorageTexture* t, const Source& source) const {
     switch (t->access()) {
+        case core::Access::kRead:
+            if (!enabled_extensions_.Contains(
+                    core::Extension::kChromiumExperimentalReadWriteStorageTexture)) {
+                AddError(
+                    "read-only storage textures require the "
+                    "chromium_experimental_read_write_storage_texture extension to be enabled",
+                    source);
+                return false;
+            }
+            break;
         case core::Access::kReadWrite:
             if (!enabled_extensions_.Contains(
                     core::Extension::kChromiumExperimentalReadWriteStorageTexture)) {
@@ -327,9 +337,6 @@
         case core::Access::kUndefined:
             AddError("storage texture missing access control", source);
             return false;
-        default:
-            AddError("storage textures currently only support 'write' access control", source);
-            return false;
     }
 
     if (!IsValidStorageTextureDimension(t->dim())) {