diff --git a/src/native/cpu.c b/src/native/cpu.c
index 237f75b9..81980834 100644
--- a/src/native/cpu.c
+++ b/src/native/cpu.c
@@ -23,7 +23,7 @@ bool must_not_fault = false;
 
 uint64_t tsc_offset = 0;
 
-uint32_t jit_block_boundary = 0;
+bool jit_block_boundary = false;
 
 int32_t valid_tlb_entries[VALID_TLB_ENTRY_MAX] = {0};
 int32_t valid_tlb_entries_count = 0;
diff --git a/src/native/cpu.h b/src/native/cpu.h
index 53660202..f696889d 100644
--- a/src/native/cpu.h
+++ b/src/native/cpu.h
@@ -37,7 +37,7 @@ typedef uint8_t cached_state_flags;
 
 // Flag indicating whether the instruction that just ran was at a block's boundary (jump,
 // state-altering, etc.)
-extern uint32_t jit_block_boundary;
+extern bool jit_block_boundary;
 
 #define VALID_TLB_ENTRY_MAX 10000
 int32_t valid_tlb_entries[VALID_TLB_ENTRY_MAX];