diff --git a/Makefile.am b/Makefile.am
index eea854a042..d9637744cd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,10 +6,10 @@ NAME = freeswitch
 AM_LIBAPR_CFLAGS := $(shell ./libs/apr/apr-1-config --cflags)
 AM_LIBAPR_CPPFLAGS := $(shell ./libs/apr/apr-1-config --cppflags --includes)
 AM_LIBAPR_LDFLAGS := $(shell ./libs/apr/apr-1-config --ldflags)
-AM_LIBAPR_LIBS := $(subst $(switch_srcdir)/,,$(shell ./libs/apr/apr-1-config \--libs))
+AM_LIBAPR_LIBS := $(subst $(switch_builddir)/,,$(shell ./libs/apr/apr-1-config \--libs))
 AM_LIBAPU_CPPFLAGS := $(shell ./libs/apr-util/apu-1-config --includes)
 AM_LIBAPU_LDFLAGS := $(shell ./libs/apr-util/apu-1-config --ldflags)
-AM_LIBAPU_LIBS := $(subst $(switch_srcdir)/,,$(shell ./libs/apr-util/apu-1-config \--libs))
+AM_LIBAPU_LIBS := $(subst $(switch_builddir)/,,$(shell ./libs/apr-util/apu-1-config \--libs))
 
 AM_CFLAGS   = $(SWITCH_AM_CFLAGS) $(SWITCH_ANSI_CFLAGS) 
 AM_CPPFLAGS = $(SWITCH_AM_CXXFLAGS) -I$(switch_srcdir)/libs/sofia-sip/libsofia-sip-ua/sdp -I$(switch_srcdir)/libs/sofia-sip/libsofia-sip-ua/su -I$(switch_builddir)/libs/sofia-sip/libsofia-sip-ua/su