diff --git a/LibRaw.spec b/LibRaw.spec
index 07f383e..d94c5e6 100644
--- a/LibRaw.spec
+++ b/LibRaw.spec
@@ -3,11 +3,12 @@
 Summary: Library for reading RAW files obtained from digital photo cameras
 Name: LibRaw
 Version: 0.21.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: BSD-3-Clause and (CDDL-1.0 or LGPL-2.1-only)
 URL: https://www.libraw.org
 Source0: %{url}/data/%{name}-%{version}.tar.gz
 Patch0: LibRaw-pkgconfig.patch
+Patch1: e231b01a49ce37d2add75e2a8f7ece5602f00457.patch
 
 BuildRequires: gcc-c++
 BuildRequires: pkgconfig(lcms2)
@@ -108,7 +109,10 @@ rm -fv %{buildroot}%{_libdir}/lib*.la
 
 
 %changelog
-* Thu Dec 21 2023 Gwyn Ciesla <gwync@protonmail.com> - 0.21.2
+* Tue Jan 09 2024 Gwyn Ciesla <gwync@protonmail.com> - 0.21.2-2
+- CR3-Qstep table: avoid wrong 64-bit code generation patch
+
+* Thu Dec 21 2023 Gwyn Ciesla <gwync@protonmail.com> - 0.21.2-1
 - 0.21.2, enable zlib support.
 
 * Tue Nov 28 2023 Orion Poplawski <orion@nwra.com> - 0.21.1-7
diff --git a/e231b01a49ce37d2add75e2a8f7ece5602f00457.patch b/e231b01a49ce37d2add75e2a8f7ece5602f00457.patch
new file mode 100644
index 0000000..e20d856
--- /dev/null
+++ b/e231b01a49ce37d2add75e2a8f7ece5602f00457.patch
@@ -0,0 +1,40 @@
+From e231b01a49ce37d2add75e2a8f7ece5602f00457 Mon Sep 17 00:00:00 2001
+From: Alex Tutubalin <lexa@lexa.ru>
+Date: Thu, 4 Jan 2024 15:36:38 +0300
+Subject: [PATCH] CR3-Qstep table: avoid wrong 64-bit code generation
+
+---
+ src/decoders/crx.cpp | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/decoders/crx.cpp b/src/decoders/crx.cpp
+index 30a70205..0289c075 100644
+--- a/src/decoders/crx.cpp
++++ b/src/decoders/crx.cpp
+@@ -2032,7 +2032,7 @@ int crxMakeQStep(CrxImage *img, CrxTile *tile, int32_t *qpTable, uint32_t /*tota
+         // not sure about this nonsense - why is it not just avg like with 2 levels?
+         quantVal = ((quantVal < 0) * 3 + quantVal) >> 2;
+         if (quantVal / 6 >= 6)
+-          *qStepTbl = q_step_tbl[quantVal % 6] * (1 << (quantVal / 6 + 26));
++          *qStepTbl = q_step_tbl[quantVal % 6] << ((quantVal / 6 - 6 ) & 0x1f);
+         else
+           *qStepTbl = q_step_tbl[quantVal % 6] >> (6 - quantVal / 6);
+       }
+@@ -2052,7 +2052,7 @@ int crxMakeQStep(CrxImage *img, CrxTile *tile, int32_t *qpTable, uint32_t /*tota
+       {
+         int32_t quantVal = (qpTable[row0Idx++] + qpTable[row1Idx++]) / 2;
+         if (quantVal / 6 >= 6)
+-          *qStepTbl = q_step_tbl[quantVal % 6] * (1 << (quantVal / 6 + 26));
++          *qStepTbl = q_step_tbl[quantVal % 6] << ((quantVal / 6 - 6) & 0x1f);
+         else
+           *qStepTbl = q_step_tbl[quantVal % 6] >> (6 - quantVal / 6);
+       }
+@@ -2066,7 +2066,7 @@ int crxMakeQStep(CrxImage *img, CrxTile *tile, int32_t *qpTable, uint32_t /*tota
+     for (int qpRow = 0; qpRow < qpHeight; ++qpRow)
+       for (int qpCol = 0; qpCol < qpWidth; ++qpCol, ++qStepTbl, ++qpTable)
+         if (*qpTable / 6 >= 6)
+-          *qStepTbl = q_step_tbl[*qpTable % 6] * (1 << (*qpTable / 6 + 26));
++          *qStepTbl = q_step_tbl[*qpTable % 6] << ((*qpTable / 6 - 6) & 0x1f);
+         else
+           *qStepTbl = q_step_tbl[*qpTable % 6] >> (6 - *qpTable / 6);
+