diff --git a/src/BSDSocket.s b/src/BSDSocket.s
index b82bc61..c836974 100644
--- a/src/BSDSocket.s
+++ b/src/BSDSocket.s
@@ -7,7 +7,7 @@
 ; extension number 18
 ExtNb           equ 18-1
 Version         MACRO
-                dc.b "1.0.0-20230401"
+                dc.b "1.0.1-20230403"
                 ENDM
 VerNumber       equ $1
 
@@ -1667,7 +1667,7 @@ _SocketWaitAsyncWriting_CheckSockopt:
       MOVE.L (SP)+,A3
 
       TST.L D0
-      BPL _SocketWaitAsyncWriting_Ready
+      BEQ _SocketWaitAsyncWriting_Ready
 
     MOVEM.L (SP)+,A3-A4
     MOVE.L #-3,D3