diff --git a/runtime/init.c b/runtime/init.c
index a735fa8..550a2d3 100644
--- a/runtime/init.c
+++ b/runtime/init.c
@@ -23,6 +23,12 @@
 /* Global CPU state struct. */
 CPUState cpu_state;
 
+#if SIZEOF_CHAR_P == 4
+uint32 ROMlib_offset;
+#else
+uint64 ROMlib_offset;
+#endif
+
 /* This function initializes syn68k.  Call it exactly once, before any
  * other syn68k calls.  DOS_INT_FLAG_ADDR is the conventional memory
  * offset of the 32 bit synchronous interrupt flag.  Just pass in zero
diff --git a/test/driver.c b/test/driver.c
index 80af50f..6297a8d 100644
--- a/test/driver.c
+++ b/test/driver.c
@@ -10,12 +10,6 @@
 
 #include <unistd.h>
 
-#if SIZEOF_CHAR_P == 4
-uint32 ROMlib_offset = MEMORY_OFFSET;
-#else
-uint64 ROMlib_offset = MEMORY_OFFSET;
-#endif
-
 /* These are set by command-line switches. */
 int test_only_non_cc_variants;  /* If 0, test only cc setting variants. */
 int generate_crc;
diff --git a/test/main.c b/test/main.c
index fff566f..c380970 100644
--- a/test/main.c
+++ b/test/main.c
@@ -28,6 +28,8 @@ main (int argc, char *argv[])
   malloc_debug (31);   /* Just to be safe. */
 #endif
 
+  ROMlib_offset = MEMORY_OFFSET;
+
   /* Set up default values for command line switches. */
   test_only_non_cc_variants = 0;
 #ifdef mc68000