diff --git a/emulate.c b/emulate.c
index 7f13af56..3a68de21 100644
--- a/emulate.c
+++ b/emulate.c
@@ -1066,7 +1066,7 @@ static inline bool op_fp(struct riscv_t *rv, uint32_t insn)
     }
     case 0b0010100:
         switch (rm) {
-        case 0b000: /* FMIN */
+        case 0b000: { /* FMIN */
             /*
             In IEEE754-201x, fmin(x, y) return
                 - min(x,y) if both numbers are not NaN
@@ -1107,8 +1107,9 @@ static inline bool op_fp(struct riscv_t *rv, uint32_t insn)
                 }
             }
             break;
-        case 0b001: /* FMAX */
-
+        }
+        case 0b001:{ /* FMAX */
+            uint32_t x, y;
             memcpy(&x, rv->F + rs1, 4);
             memcpy(&y, rv->F + rs2, 4);
             if (is_nan(x) || is_nan(y)) {
@@ -1142,6 +1143,7 @@ static inline bool op_fp(struct riscv_t *rv, uint32_t insn)
 
 
             break;
+        }
         default:
             rv_except_illegal_insn(rv, insn);
             return false;