diff --git a/git-gui/Makefile b/git-gui/Makefile
index ee564219c0..3de0de1a23 100644
--- a/git-gui/Makefile
+++ b/git-gui/Makefile
@@ -22,7 +22,7 @@ ifndef gitexecdir
 endif
 
 ifndef sharedir
-	sharedir := $(dir $(gitexecdir))/share
+	sharedir := $(dir $(gitexecdir))share
 endif
 
 ifndef INSTALL
@@ -53,12 +53,19 @@ TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
 libdir   ?= $(sharedir)/git-gui/lib
 libdir_SQ = $(subst ','\'',$(libdir))
 
+exedir    = $(dir $(gitexecdir))share/git-gui/lib
+exedir_SQ = $(subst ','\'',$(exedir))
+
 $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
 	$(QUIET_GEN)rm -f $@ $@+ && \
+	if test '$(exedir_SQ)' = '$(libdir_SQ)'; then \
+		GITGUI_RELATIVE=1; \
+	fi && \
 	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
 		-e 's|^exec wish "$$0"|exec $(subst |,'\|',$(TCLTK_PATH_SQ)) "$$0"|' \
 		-e 's/@@GITGUI_VERSION@@/$(GITGUI_VERSION)/g' \
-		-e 's|@@GITGUI_LIBDIR@@|$(libdir_SQ)|' \
+		-e 's|@@GITGUI_RELATIVE@@|'$$GITGUI_RELATIVE'|' \
+		-e $$GITGUI_RELATIVE's|@@GITGUI_LIBDIR@@|$(libdir_SQ)|' \
 		$@.sh >$@+ && \
 	chmod +x $@+ && \
 	mv $@+ $@
@@ -88,6 +95,7 @@ TRACK_VARS = \
 	$(subst ','\'',SHELL_PATH='$(SHELL_PATH_SQ)') \
 	$(subst ','\'',TCL_PATH='$(TCL_PATH_SQ)') \
 	$(subst ','\'',TCLTK_PATH='$(TCLTK_PATH_SQ)') \
+	$(subst ','\'',gitexecdir='$(gitexecdir_SQ)') \
 	$(subst ','\'',libdir='$(libdir_SQ)') \
 #end TRACK_VARS
 
diff --git a/git-gui/git-gui.sh b/git-gui/git-gui.sh
index 0a471a5c7d..dba585111c 100755
--- a/git-gui/git-gui.sh
+++ b/git-gui/git-gui.sh
@@ -25,7 +25,11 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA}
 ## configure our library
 
 set oguilib {@@GITGUI_LIBDIR@@}
-if {[string match @@* $oguilib]} {
+set oguirel {@@GITGUI_RELATIVE@@}
+if {$oguirel eq {1}} {
+	set oguilib [file dirname [file dirname [file normalize $argv0]]]
+	set oguilib [file join $oguilib share git-gui lib]
+} elseif {[string match @@* $oguirel]} {
 	set oguilib [file join [file dirname [file normalize $argv0]] lib]
 }
 set idx [file join $oguilib tclIndex]
@@ -55,7 +59,7 @@ if {$idx ne {}} {
 } else {
 	set auto_path [concat [list $oguilib] $auto_path]
 }
-unset -nocomplain fd idx
+unset -nocomplain oguilib oguirel idx fd
 
 if {![catch {set _verbose $env(GITGUI_VERBOSE)}]} {
 	unset _verbose
@@ -1206,15 +1210,12 @@ foreach class {Button Checkbutton Entry Label
 }
 unset class
 
-if {[is_Windows]} {
-	set M1B Control
-	set M1T Ctrl
-} elseif {[is_MacOSX]} {
+if {[is_MacOSX]} {
 	set M1B M1
 	set M1T Cmd
 } else {
-	set M1B M1
-	set M1T M1
+	set M1B Control
+	set M1T Ctrl
 }
 
 proc apply_config {} {