diff --git a/loopy/target/c/codegen/expression.py b/loopy/target/c/codegen/expression.py
index ffa2c4e629f25eb4c79966320d8e23202880b103..bd5a74782dc5dce7bf82985bea3a7c77404d9d26 100644
--- a/loopy/target/c/codegen/expression.py
+++ b/loopy/target/c/codegen/expression.py
@@ -148,6 +148,10 @@ class ExpressionToCExpressionMapper(IdentityMapper):
             from loopy.kernel.data import ValueArg
             if isinstance(arg, ValueArg) and self.fortran_abi:
                 postproc = lambda x: x[0]  # noqa
+        elif expr.name in self.kernel.temporary_variables:
+            temporary = self.kernel.temporary_variables[expr.name]
+            if temporary.base_storage:
+                postproc = lambda x: x[0]  # noqa
 
         result = self.kernel.mangle_symbol(self.codegen_state.ast_builder, expr.name)
         if result is not None:
@@ -216,12 +220,14 @@ class ExpressionToCExpressionMapper(IdentityMapper):
 
         elif isinstance(ary, (GlobalArg, TemporaryVariable, ConstantArg)):
             if len(access_info.subscripts) == 0:
-                if isinstance(ary, GlobalArg) or isinstance(ary, ConstantArg):
+                if (isinstance(ary, (ConstantArg, GlobalArg)) or
+                    (isinstance(ary, TemporaryVariable) and ary.base_storage)):
                     # unsubscripted global args are pointers
                     result = var(access_info.array_name)[0]
 
                 else:
                     # unsubscripted temp vars are scalars
+                    # (unless they use base_storage)
                     result = var(access_info.array_name)
 
             else:
diff --git a/test/test_loopy.py b/test/test_loopy.py
index e0e619a1cd488b3946fdf7b2c519c22b15b04632..347c08d0d1f68544cca628b688767b3054630870 100644
--- a/test/test_loopy.py
+++ b/test/test_loopy.py
@@ -1587,17 +1587,18 @@ def test_temp_initializer(ctx_factory, src_order, tmp_order):
     assert np.array_equal(a, a2)
 
 
-def test_base_storage_decl():
+def test_scalars_with_base_storage(ctx_factory):
+    """ Regression test for !50 """
+    ctx = ctx_factory()
+    queue = cl.CommandQueue(ctx)
+
     knl = lp.make_kernel(
-        "{ [i]: 0<=i<n}",
-        "a[i] = 1",
-        [
-            lp.TemporaryVariable(
-                "a", dtype=np.float64, shape=("n",), base_storage="base"),
-            lp.ValueArg("n")],
-        target=lp.CTarget())
+            "{ [i]: 0<=i<1}",
+            "a = 1",
+            [lp.TemporaryVariable("a", dtype=np.float64,
+                                  shape=(), base_storage="base")])
 
-    lp.generate_code_v2(knl)
+    knl(queue, out_host=True)
 
 
 if __name__ == "__main__":
@@ -1607,4 +1608,4 @@ if __name__ == "__main__":
         from py.test.cmdline import main
         main([__file__])
 
-# vim: foldmethod=marker
+# vim: foldmethod=marker
\ No newline at end of file