diff --git a/util/cairo-trace/Makefile.am b/util/cairo-trace/Makefile.am
index b927768d9..c6caf0c67 100644
--- a/util/cairo-trace/Makefile.am
+++ b/util/cairo-trace/Makefile.am
@@ -1,5 +1,6 @@
 bin_SCRIPTS = cairo-trace
-lib_LTLIBRARIES = cairo-trace.la
+cairolibdir = @libdir@/cairo
+cairolib_LTLIBRARIES = cairo-trace.la
 
 AM_CPPFLAGS = -I$(top_srcdir)/src \
 	      -I$(top_builddir)/src
@@ -13,10 +14,10 @@ cairo_trace_la_LDFLAGS = -module -no-undefined
 cairo_trace_la_LIBADD = -ldl -lz $(BFD_LIBS)
 
 system-install:
-	grep -sq @libdir@/cairo-trace.so /etc/ld.so.preload || echo @libdir@/cairo-trace.so >> /etc/ld.so.preload
+	grep -sq @cairolibdir@/cairo-trace.so /etc/ld.so.preload || echo @libdir@/cairo-trace.so >> /etc/ld.so.preload
 
 system-uninstall:
-	sed -e '@libdir@\/cairo-trace.so/d' < /etc/ld.so.preload > /tmp/ld.so.preload && mv /tmp/ld.so.preload /etc/ld.so.preload;
+	sed -e '@cairolibdir@\/cairo-trace.so/d' < /etc/ld.so.preload > /tmp/ld.so.preload && mv /tmp/ld.so.preload /etc/ld.so.preload;
 
 EXTRA_DIST = \
 	COPYING \
diff --git a/util/cairo-trace/cairo-trace.in b/util/cairo-trace/cairo-trace.in
index ee3816147..93bb954c6 100644
--- a/util/cairo-trace/cairo-trace.in
+++ b/util/cairo-trace/cairo-trace.in
@@ -49,10 +49,17 @@ if test -z "$nofile"; then
   filename=`basename $1`.$$.trace
 fi
 
+LD_PRELOAD=@libdir@/cairo/cairo-trace.so 
+export LD_PRELOAD
+
+# Force the decimal output to the 'C' locale
+LC_ALL=C 
+export LC_ALL
+
 if test -z "$filename"; then
-  LD_PRELOAD=@libdir@/cairo-trace.so CAIRO_TRACE_FD=3 LC_ALL=C $* 3>&1 >/dev/null
+  CAIRO_TRACE_FD=3 $* 3>&1 >/dev/null
 elif test -n "$silent"; then
-  LD_PRELOAD=@libdir@/cairo-trace.so LC_ALL=C CAIRO_TRACE_OUTFILE_EXACT=$filename $*
+  CAIRO_TRACE_OUTFILE_EXACT=$filename $*
 else
-  LD_PRELOAD=@libdir@/cairo-trace.so CAIRO_TRACE_FD=3 LC_ALL=C $* 3>&1 >/dev/null | tee $filename
+  CAIRO_TRACE_FD=3 $* 3>&1 >/dev/null | tee $filename
 fi