diff --git a/disasmtool/disasmtool.c b/disasmtool/disasmtool.c
index eeb7fd9..2030ca2 100644
--- a/disasmtool/disasmtool.c
+++ b/disasmtool/disasmtool.c
@@ -1672,7 +1672,7 @@ int main(
         SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED|FOREGROUND_INTENSITY);
         printf("            light red        relative offset, immediate, address\n");
         SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_BLUE|FOREGROUND_GREEN|FOREGROUND_RED);
-        printf("Instrux size: %zx bytes\n", sizeof(INSTRUX));
+        printf("Instrux size: 0x%zx bytes\n", sizeof(INSTRUX));
         ret = -1;
         goto cleanup_and_exit;
     }
diff --git a/pybddisasm/setup.py b/pybddisasm/setup.py
index cc389d8..380f4b9 100644
--- a/pybddisasm/setup.py
+++ b/pybddisasm/setup.py
@@ -13,7 +13,7 @@ from codecs import open
 
 VERSION = (0, 1, 3)
 LIBRARY_VERSION = (1, 29, 0)
-LIBRARY_INSTRUX_SIZE = 856
+LIBRARY_INSTRUX_SIZE = 864
 
 packages = ['pybddisasm']
 requires = ['setuptools']