1 files changed, 1 insertions, 1 deletions
diff --git a/src/misc.c b/src/misc.c
index 5cb4a016..9db49e38 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -66,7 +66,7 @@ mathcp_setup(void)
     dprintf(3, "math cp init\n");
     // 80x87 coprocessor installed
     SETBITS_BDA(equipment_list_flags, 0x02);
-    enable_hwirq(13, entry_75);
+    enable_hwirq(13, FUNC16(entry_75));
 }
 
 // INT 75 - IRQ13 - MATH COPROCESSOR EXCEPTION