diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 74b33fa3c9..b2d3444bc5 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -337,6 +337,12 @@ EX_SH(12)
     }                              \
 } while (0)
 
+#define REQUIRE_32BIT(ctx) do { \
+    if (!is_32bit(ctx)) {       \
+        return false;           \
+    }                           \
+} while (0)
+
 #define REQUIRE_64BIT(ctx) do { \
     if (is_32bit(ctx)) {        \
         return false;           \