diff --git a/src/vm.c b/src/vm.c
index 960a370..792425f 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -96,10 +96,10 @@ uint32_t step_vm(Word *memory, uint32_t memory_size, uint32_t pc) {
     int32_t b_frac = b & Q16_16_FRACTION_MASK;
 
     /* Compute terms with explicit casting to prevent overflow */
-    int32_t term1 = a_int * b_int;   /* Integer × Integer */
-    int32_t term2 = a_int * b_frac;  /* Integer × Fractional */
-    int32_t term3 = a_frac * b_int;  /* Fractional × Integer */
-    int32_t term4 = a_frac * b_frac; /* Fractional × Fractional */
+    int32_t term1 = a_int * b_int;   /* Integer * Integer */
+    int32_t term2 = a_int * b_frac;  /* Integer * Fractional */
+    int32_t term3 = a_frac * b_int;  /* Fractional * Integer */
+    int32_t term4 = a_frac * b_frac; /* Fractional * Fractional */
 
     /* Scale terms back to Q16.16 (avoid shifting negative values) */
     int32_t scaled_term1 = term1;
@@ -209,7 +209,7 @@ uint32_t step_vm(Word *memory, uint32_t memory_size, uint32_t pc) {
   case OP_INT_TO_STRING: {
     int32_t v = memory[src1_addr].i;
     char buffer[MAX_LEN_INT32];
-    int64_t n = v;
+    int32_t n = v;
     bool neg = n < 0;
     if (neg)
       n = -n;