diff --git a/audio/polyphone/files/patch-core_input_sfark_sfarkextractor2.cpp b/audio/polyphone/files/patch-core_input_sfark_sfarkextractor2.cpp
new file mode 100644
index 000000000000..5f072d7092d9
--- /dev/null
+++ b/audio/polyphone/files/patch-core_input_sfark_sfarkextractor2.cpp
@@ -0,0 +1,21 @@
+--- core/input/sfark/sfarkextractor2.cpp.orig	2024-12-27 19:56:25 UTC
++++ core/input/sfark/sfarkextractor2.cpp
+@@ -73,13 +73,13 @@ const char SfArkExtractor2::UpgradeMsg[] = "Please see
+ #define	WFIX(I)		s = bp[I+0]; bp[I+0] = bp[I+1]; bp[I+1] = s;
+ // Read from disk if needed, and fix endians
+ #define CHECK_INBUFFER                          \
+-    if (bioP == BIOBUFSIZE)                       \
++    if (_bioP == BIOBUFSIZE)                       \
+ {                                             \
+-    bioWholeBlocks++;                           \
+-    bioP = 0;                                   \
+-    int ReadLen = ReadInputFile((quint8 *) bioBuf, BIOBUFSIZE * sizeof(quint16)); \
++    _bioWholeBlocks++;                           \
++    _bioP = 0;                                   \
++    int ReadLen = ReadInputFile((quint8 *) _bioBuf, BIOBUFSIZE * sizeof(quint16)); \
+     if (ReadLen <= 0)  return 0;		\
+-    quint8 *bp = (quint8 *) bioBuf, *ep = (quint8 *) (bioBuf+BIOBUFSIZE); \
++    quint8 *bp = (quint8 *) _bioBuf, *ep = (quint8 *) (_bioBuf+BIOBUFSIZE); \
+     do {					\
+     quint8 s;					\
+     WFIX(0); WFIX(2); WFIX(4); WFIX(6);	\