diff --git a/configure b/configure
index c3f761d1c3f..14b101f67c1
--- a/configure
+++ b/configure
@@ -16683,7 +16683,7 @@ fi
 
 
 
-  ag_gv=`gdir=\`pkg-config --cflags-only-I \
+  ag_gv=`gdir=\`${PKG_CONFIG} --cflags-only-I \
   guile-${GUILE_EFFECTIVE_VERSION} | \
   sed 's/\(^\| \)-I/\1/g'\`
   for d in $gdir