diff --git a/README.md b/README.md
index 41c7e0b3..da3c46f9 100644
--- a/README.md
+++ b/README.md
@@ -5401,7 +5401,7 @@ in markdown:
 
 
 
-    ugrep 5.1.3                       April 4, 2024                         UGREP(1)
+    ugrep 5.1.4                       April 9, 2024                         UGREP(1)
 
 🔝 [Back to table of contents](#toc)
 
diff --git a/bin/win32/ug.exe b/bin/win32/ug.exe
index 8ba013dd..b926354f 100755
Binary files a/bin/win32/ug.exe and b/bin/win32/ug.exe differ
diff --git a/bin/win32/ugrep.exe b/bin/win32/ugrep.exe
index 8ba013dd..b926354f 100755
Binary files a/bin/win32/ugrep.exe and b/bin/win32/ugrep.exe differ
diff --git a/bin/win64/ug.exe b/bin/win64/ug.exe
index e2f782df..94f50de5 100755
Binary files a/bin/win64/ug.exe and b/bin/win64/ug.exe differ
diff --git a/bin/win64/ugrep.exe b/bin/win64/ugrep.exe
index e2f782df..94f50de5 100755
Binary files a/bin/win64/ugrep.exe and b/bin/win64/ugrep.exe differ
diff --git a/configure b/configure
index 800252d4..e074ccd5 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for ugrep 5.1.3.
+# Generated by GNU Autoconf 2.71 for ugrep 5.1.4.
 #
 # Report bugs to <https://github.com/Genivia/ugrep/issues>.
 #
@@ -613,8 +613,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='ugrep'
 PACKAGE_TARNAME='ugrep'
-PACKAGE_VERSION='5.1.3'
-PACKAGE_STRING='ugrep 5.1.3'
+PACKAGE_VERSION='5.1.4'
+PACKAGE_STRING='ugrep 5.1.4'
 PACKAGE_BUGREPORT='https://github.com/Genivia/ugrep/issues'
 PACKAGE_URL='https://ugrep.com'
 
@@ -1390,7 +1390,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures ugrep 5.1.3 to adapt to many kinds of systems.
+\`configure' configures ugrep 5.1.4 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1461,7 +1461,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of ugrep 5.1.3:";;
+     short | recursive ) echo "Configuration of ugrep 5.1.4:";;
    esac
   cat <<\_ACEOF
 
@@ -1637,7 +1637,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-ugrep configure 5.1.3
+ugrep configure 5.1.4
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -2174,7 +2174,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by ugrep $as_me 5.1.3, which was
+It was created by ugrep $as_me 5.1.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3661,7 +3661,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='ugrep'
- VERSION='5.1.3'
+ VERSION='5.1.4'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -10931,7 +10931,7 @@ fi
 
 
 
-# Allow the manpage be accessed as either ug or ugrep
+# Allow the manpage to be accessed as either ug or ugrep
 ac_config_links="$ac_config_links man/ug.1:man/ugrep.1"
 
 
@@ -11485,7 +11485,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by ugrep $as_me 5.1.3, which was
+This file was extended by ugrep $as_me 5.1.4, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -11558,7 +11558,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-ugrep config.status 5.1.3
+ugrep config.status 5.1.4
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 97456f24..ea19a807 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([ugrep],[5.1.3],[https://github.com/Genivia/ugrep/issues],[ugrep],[https://ugrep.com])
+AC_INIT([ugrep],[5.1.4],[https://github.com/Genivia/ugrep/issues],[ugrep],[https://ugrep.com])
 AM_INIT_AUTOMAKE([foreign subdir-objects dist-xz no-dist-gzip])
 AC_CONFIG_HEADERS([config.h])
 AC_COPYRIGHT([Copyright (C) 2019-2024 Robert van Engelen, Genivia Inc.])
@@ -500,7 +500,7 @@ fi
 
 AC_SUBST(EXTRA_CFLAGS)
 
-# Allow the manpage be accessed as either ug or ugrep
+# Allow the manpage to be accessed as either ug or ugrep
 AC_CONFIG_LINKS([man/ug.1:man/ugrep.1])
 
 AC_CONFIG_FILES([Makefile lib/Makefile src/Makefile lzma/C/Makefile])
diff --git a/lib/matcher.cpp b/lib/matcher.cpp
index 3918c00f..46e2704e 100644
--- a/lib/matcher.cpp
+++ b/lib/matcher.cpp
@@ -503,9 +503,12 @@ size_t Matcher::match(Method method)
         if (cap_ == 0 && pos_ > cur_ && method == Const::FIND)
         {
           // use bit_[] to check each char in buf_[cur_+1..pos_-1] if it is a starting char, if not then increase cur_
-          while (++cur_ < pos_ && !pat_->fst_.test(static_cast<uint8_t>(buf_[cur_])))
+          while (cur_ + 1 < pos_ && !pat_->fst_.test(static_cast<uint8_t>(buf_[cur_ + 1])))
+          {
+            ++cur_;
             if (retry > 0)
               --retry;
+          }
         }
       }
       else if (jump >= Pattern::Const::LONG)
diff --git a/man/ug.1 b/man/ug.1
index 166bfde1..ec05929d 100644
--- a/man/ug.1
+++ b/man/ug.1
@@ -1,4 +1,4 @@
-.TH UGREP "1" "April 04, 2024" "ugrep 5.1.3" "User Commands"
+.TH UGREP "1" "April 09, 2024" "ugrep 5.1.4" "User Commands"
 .SH NAME
 \fBugrep\fR, \fBug\fR -- file pattern searcher
 .SH SYNOPSIS
diff --git a/man/ugrep.1 b/man/ugrep.1
index 166bfde1..ec05929d 100644
--- a/man/ugrep.1
+++ b/man/ugrep.1
@@ -1,4 +1,4 @@
-.TH UGREP "1" "April 04, 2024" "ugrep 5.1.3" "User Commands"
+.TH UGREP "1" "April 09, 2024" "ugrep 5.1.4" "User Commands"
 .SH NAME
 \fBugrep\fR, \fBug\fR -- file pattern searcher
 .SH SYNOPSIS
diff --git a/src/ugrep.hpp b/src/ugrep.hpp
index b7f2a292..e59c7991 100644
--- a/src/ugrep.hpp
+++ b/src/ugrep.hpp
@@ -38,7 +38,7 @@
 #define UGREP_HPP
 
 // DO NOT ALTER THIS LINE: updated by makemake.sh and we need it physically here for MSVC++ build from source
-#define UGREP_VERSION "5.1.3"
+#define UGREP_VERSION "5.1.4"
 
 // disable mmap because mmap is almost always slower than the file reading speed improvements since 3.0.0
 #define WITH_NO_MMAP