diff --git a/libavcodec/lpc.h b/libavcodec/lpc.h
index 7e0ee3e172..edb1a6bc7d 100644
--- a/libavcodec/lpc.h
+++ b/libavcodec/lpc.h
@@ -116,12 +116,12 @@ void ff_lpc_init_x86(LPCContext *s);
 void ff_lpc_end(LPCContext *s);
 
 #if USE_FIXED
-#define LPC_TYPE int
+typedef int LPC_TYPE;
 #else
 #ifdef LPC_USE_DOUBLE
-#define LPC_TYPE double
+typedef double LPC_TYPE;
 #else
-#define LPC_TYPE float
+typedef float LPC_TYPE;
 #endif
 #endif // USE_FIXED