diff --git a/config_arm.go b/config_arm.go
new file mode 100644
index 0000000..a168fd7
--- /dev/null
+++ b/config_arm.go
@@ -0,0 +1,8 @@
+package avro
+
+import "math"
+
+// Max allocation size for an array due to the limit in number of bits in a heap address:
+// https://github.com/golang/go/blob/7f76c00fc5678fa782708ba8fece63750cb89d03/src/runtime/malloc.go#L190
+// 32-bit systems accept the full 32bit address space
+const maxAllocSize = math.MaxInt
diff --git a/config_x64.go b/config_x64.go
index 5ee7fef..cecafd6 100644
--- a/config_x64.go
+++ b/config_x64.go
@@ -1,4 +1,4 @@
-//go:build !386
+//go:build !386 && !arm
 
 package avro