1 files changed, 1 insertions, 1 deletions

diff --git a/io/model.cpp b/io/model.cpp
index d6e36f9..4b37be4 100644
--- a/io/model.cpp
+++ b/io/model.cpp
@@ -6,7 +6,7 @@
 #include "io/model.h"
 #include "isa/isa.h"
 
-bool iomodel::interact(std::array<unsigned int, NUM_CTLREGS> &ctlregs) {
+bool iomodel::interact(std::array<std::uint_fast32_t, NUM_CTLREGS> &ctlregs) {
     auto [ebegin, eend] = log.equal_range(time);
     for (auto e = ebegin; e != eend; ++e) {
         auto &r = ctlregs[e->second.reg];