diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf50de9..3320603 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
-project(fun VERSION 0.37.26 LANGUAGES C)
+project(fun VERSION 0.37.27 LANGUAGES C)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
diff --git a/lib/crypt/ripemd160.fun b/lib/crypt/ripemd160.fun
index bb9abd6..f866ab1 100644
--- a/lib/crypt/ripemd160.fun
+++ b/lib/crypt/ripemd160.fun
@@ -204,7 +204,7 @@ class RIPEMD160()
       B = T
 
       // Right side step
-      Tr = this.add32(this.rol32(this.add32(this.add32(Ar, this.F(stage_r, Br, Cr, Dr)), this.add32(M[this.RR[j]], this.KR[stage])), this.SR[j]), Er)
+      Tr = this.add32(this.rol32(this.add32(this.add32(Ar, this.F(stage_r, Br, Cr, Dr)), this.add32(M[this.RR[j]], this.KR[stage_r])), this.SR[j]), Er)
       Ar = Er
       Er = Dr
       Dr = this.rol32(Cr, 10)
diff --git a/src/vm/os/serial_open.c b/src/vm/os/serial_open.c
index 772776a..1694df3 100644
--- a/src/vm/os/serial_open.c
+++ b/src/vm/os/serial_open.c
@@ -15,6 +15,51 @@
 #include <unistd.h>
 
 /* Fallbacks for baud rates that might be missing on some systems */
+#ifndef B50
+#define B50 0000001
+#endif
+#ifndef B75
+#define B75 0000002
+#endif
+#ifndef B110
+#define B110 0000003
+#endif
+#ifndef B134
+#define B134 0000004
+#endif
+#ifndef B150
+#define B150 0000005
+#endif
+#ifndef B200
+#define B200 0000006
+#endif
+#ifndef B300
+#define B300 0000007
+#endif
+#ifndef B600
+#define B600 0000010
+#endif
+#ifndef B1200
+#define B1200 0000011
+#endif
+#ifndef B1800
+#define B1800 0000012
+#endif
+#ifndef B2400
+#define B2400 0000013
+#endif
+#ifndef B4800
+#define B4800 0000014
+#endif
+#ifndef B9600
+#define B9600 0000015
+#endif
+#ifndef B19200
+#define B19200 0000016
+#endif
+#ifndef B38400
+#define B38400 0000017
+#endif
 #ifndef B57600
 #define B57600 0010001
 #endif