--- toolkit/mozapps/installer/packager.mk.build	2012-03-17 11:59:21.000000000 +0800
+++ toolkit/mozapps/installer/packager.mk	2012-03-17 12:06:59.000000000 +0800
@@ -544,7 +544,7 @@
 NSS_DLL_SUFFIX	= .DLL
 SIGN_CMD	= $(MOZILLA_DIR)/toolkit/mozapps/installer/os2/sign.cmd $(DIST)
 else
-SIGN_CMD	= $(RUN_TEST_PROGRAM) $(_ABS_DIST)/bin/shlibsign$(BIN_SUFFIX) -v -i
+SIGN_CMD	= $(RUN_TEST_PROGRAM) /usr/bin/shlibsign$(BIN_SUFFIX) -v -i
 endif
 endif