diff --git a/configure b/configure
index 3fa3e86..fbaf253 100755
--- a/configure
+++ b/configure
@@ -211,7 +211,7 @@ if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then
     fi
   fi
   if test $sanitize -eq 1; then
-    CFLAGS="${CFLAGS} -fsanitize=address"
+    CFLAGS="${CFLAGS} -g -fsanitize=address"
   fi
   if test $debug -eq 1; then
     CFLAGS="${CFLAGS} -DZLIB_DEBUG"