diff --git a/configure.ac b/configure.ac
index 5971a4c..b0907dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -80,6 +80,8 @@ then
 fi
 AM_CONDITIONAL(LIBUSB_ENABLED, [test x"$enable_libusb" = xyes])
 
+# Dependencies
+PKG_CONFIG_REQUIRES=""
 ## libusb
 if test "x$enable_libusb" = "xyes"; then
   if test x"$PKG_CONFIG" = "x"; then
@@ -93,6 +95,10 @@ if test "x$enable_libusb" = "xyes"; then
     fi
   else
     PKG_CHECK_MODULES(LIBUSB, libusb, [WITH_USB=1], [WITH_USB=0])
+    if test x"$PKG_CONFIG_REQUIRES" != x""; then
+      PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES,"
+    fi
+    PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES libusb"
   fi
   
   if test x"$WITH_USB" = "x0"; then
@@ -115,12 +121,18 @@ if test "x$enable_pcsc_lite" = "xyes"; then
       if test x"$WITH_PCSC" = "x0" ; then
         AC_MSG_ERROR([libpcsclite is mandatory.])
       fi
+      if test x"$PKG_CONFIG_REQUIRES" != x""; then
+        PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES,"
+      fi
+      PKG_CONFIG_REQUIRES="$PKG_CONFIG_REQUIRES libpcsclite"
     ;;
   esac
   AC_SUBST(LIBPCSCLITE_LIBS)
   AC_SUBST(LIBPCSCLITE_CFLAGS)
 fi
 
+AC_SUBST(PKG_CONFIG_REQUIRES)
+
 # Set C standard to C99
 # C99 standard support (default: yes)
 AC_ARG_ENABLE([std-c99],AS_HELP_STRING([--disable-std-c99],[Disable C99 standard when compiling]),[enable_std_c99=$enableval],[enable_std_c99="yes"])
diff --git a/libnfc.pc.in b/libnfc.pc.in
index 18fbfe9..a22958b 100644
--- a/libnfc.pc.in
+++ b/libnfc.pc.in
@@ -5,6 +5,6 @@ includedir=@includedir@/@PACKAGE@
 Name: libnfc
 Description: Near Field Communication (NFC) library
 Version: @VERSION@
-Requires: libusb, libpcsclite
+Requires: @PKG_CONFIG_REQUIRES@
 Libs: -L${libdir} -lnfc
 Cflags: -I${includedir}