diff --git a/artiq/test/lit/inferencer/error_array_augassign.py b/artiq/test/lit/inferencer/error_array_augassign.py
new file mode 100644
index 000000000..c868e50c6
--- /dev/null
+++ b/artiq/test/lit/inferencer/error_array_augassign.py
@@ -0,0 +1,11 @@
+# RUN: %python -m artiq.compiler.testbench.inferencer +diag %s >%t
+# RUN: OutputCheck %s --file-to-check=%t
+
+a = array([[1, 2], [3, 4]])
+b = 0.0
+
+# CHECK-L: ${LINE:+1}: error: the result of this operation has type numpy.array(elt=float, num_dims=2), which cannot be assigned to a left-hand side of type float
+b /= a
+
+# CHECK-L: ${LINE:+1}: error: the result of this operation has type numpy.array(elt=float, num_dims=2), which cannot be assigned to a left-hand side of type numpy.array(elt=numpy.int?, num_dims=2)
+a /= a