diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c95c03f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+*.o
+
+dmenu
+
+*.orig
diff --git a/dmenu b/dmenu
deleted file mode 100755
index 9f350d4..0000000
Binary files a/dmenu and /dev/null differ
diff --git a/dmenu.1 b/dmenu.1
index 323f93c..a5fdf33 100644
--- a/dmenu.1
+++ b/dmenu.1
@@ -3,7 +3,7 @@
 dmenu \- dynamic menu
 .SH SYNOPSIS
 .B dmenu
-.RB [ \-bfiv ]
+.RB [ \-bfsv ]
 .RB [ \-l
 .IR lines ]
 .RB [ \-m
@@ -45,7 +45,7 @@ dmenu grabs the keyboard before reading stdin if not reading from a tty. This
 is faster, but will lock up X until stdin reaches end\-of\-file.
 .TP
 .B \-i
-dmenu matches menu items case insensitively.
+dmenu matches menu items case sensitively.
 .TP
 .BI \-l " lines"
 dmenu lists items vertically, with the given number of lines.
diff --git a/dmenu.c b/dmenu.c
index 13e9acc..9dc0da0 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -57,8 +57,9 @@ static Clr *scheme[SchemeLast];
 
 #include "config.h"
 
-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
-static char *(*fstrstr)(const char *, const char *) = strstr;
+static char * cistrstr(const char *s, const char *sub);
+static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
+static char *(*fstrstr)(const char *, const char *) = cistrstr;
 
 static unsigned int
 textw_clamp(const char *str, unsigned int n)
@@ -822,9 +823,9 @@ main(int argc, char *argv[])
 			fast = 1;
 		else if (!strcmp(argv[i], "-F"))   /* grabs keyboard before reading stdin */
 			fuzzy = 0;
-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
-			fstrncmp = strncasecmp;
-			fstrstr = cistrstr;
+		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
+			fstrncmp = strncmp;
+			fstrstr = strstr;
 		} else if (i + 1 == argc)
 			usage();
 		/* these options take one argument */
diff --git a/dmenu.o b/dmenu.o
deleted file mode 100644
index 4b57417..0000000
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diff --git a/drw.o b/drw.o
deleted file mode 100644
index 86603d2..0000000
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diff --git a/patches/dmenu-caseinsensitive-5.0.diff b/patches/dmenu-caseinsensitive-5.0.diff
new file mode 100644
index 0000000..f476bc9
--- /dev/null
+++ b/patches/dmenu-caseinsensitive-5.0.diff
@@ -0,0 +1,53 @@
+diff --git a/dmenu.1 b/dmenu.1
+index 323f93c..3e3b31b 100644
+--- a/dmenu.1
++++ b/dmenu.1
+@@ -3,7 +3,7 @@
+ dmenu \- dynamic menu
+ .SH SYNOPSIS
+ .B dmenu
+-.RB [ \-bfiv ]
++.RB [ \-bfsv ]
+ .RB [ \-l
+ .IR lines ]
+ .RB [ \-m
+@@ -44,8 +44,8 @@ dmenu appears at the bottom of the screen.
+ dmenu grabs the keyboard before reading stdin if not reading from a tty. This
+ is faster, but will lock up X until stdin reaches end\-of\-file.
+ .TP
+-.B \-i
+-dmenu matches menu items case insensitively.
++.B \-s
++dmenu matches menu items case sensitively.
+ .TP
+ .BI \-l " lines"
+ dmenu lists items vertically, with the given number of lines.
+diff --git a/dmenu.c b/dmenu.c
+index 65f25ce..855df59 100644
+--- a/dmenu.c
++++ b/dmenu.c
+@@ -55,8 +55,9 @@ static Clr *scheme[SchemeLast];
+ 
+ #include "config.h"
+ 
+-static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+-static char *(*fstrstr)(const char *, const char *) = strstr;
++static char * cistrstr(const char *s, const char *sub);
++static int (*fstrncmp)(const char *, const char *, size_t) = strncasecmp;
++static char *(*fstrstr)(const char *, const char *) = cistrstr;
+ 
+ static void
+ appenditem(struct item *item, struct item **list, struct item **last)
+@@ -709,9 +710,9 @@ main(int argc, char *argv[])
+ 			topbar = 0;
+ 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+ 			fast = 1;
+-		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+-			fstrncmp = strncasecmp;
+-			fstrstr = cistrstr;
++		else if (!strcmp(argv[i], "-s")) { /* case-sensitive item matching */
++			fstrncmp = strncmp;
++			fstrstr = strstr;
+ 		} else if (i + 1 == argc)
+ 			usage();
+ 		/* these options take one argument */
diff --git a/stest b/stest
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diff --git a/stest.o b/stest.o
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diff --git a/util.o b/util.o
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