diff --git a/code/libspeex/include/speex/speex_config_types.h b/code/libspeex/include/speex/speex_config_types.h
index f386a163..bfad7767 100644
--- a/code/libspeex/include/speex/speex_config_types.h
+++ b/code/libspeex/include/speex/speex_config_types.h
@@ -2,10 +2,14 @@
 #define __SPEEX_TYPES_H__
 
 #ifdef _MSC_VER
+typedef __int16 spx_int16_t;
+typedef __int32 spx_int32_t;
 typedef unsigned __int16 spx_uint16_t;
 typedef unsigned __int32 spx_uint32_t;
 #else
 #include <stdint.h>
+typedef int16_t spx_int16_t;
+typedef int32_t spx_int32_t;
 typedef uint16_t spx_uint16_t;
 typedef uint32_t spx_uint32_t;
 #endif