diff --git a/CHANGES b/CHANGES
index bcc2b9b58..ce92bd976 100644
--- a/CHANGES
+++ b/CHANGES
@@ -22,6 +22,7 @@ Emulation fixes:
  - SM83: Emulate HALT bug
 Other fixes:
  - All: Improve export headers (fixes mgba.io/i/1738)
+ - All: Correct format strings for some numbers on Windows (fixes mgba.io/i/1794)
  - Core: Ensure ELF regions can be written before trying
  - Debugger: Don't skip undefined instructions when debugger attached
  - GB Core: Fix extracting SRAM when none is present
diff --git a/include/mgba-util/common.h b/include/mgba-util/common.h
index a80fbb5c6..0f4a991bb 100644
--- a/include/mgba-util/common.h
+++ b/include/mgba-util/common.h
@@ -115,10 +115,8 @@ typedef intptr_t ssize_t;
 #if defined(_3DS) || defined(GEKKO) || defined(PSP2)
 // newlib doesn't support %z properly by default
 #define PRIz ""
-#elif defined(_WIN64)
-#define PRIz "I64"
-#elif defined(_WIN32)
-#define PRIz ""
+#elif defined(_MSC_VER)
+#define PRIz "I"
 #else
 #define PRIz "z"
 #endif