diff --git a/configure.ac b/configure.ac
index fba220b03d2..968da913995 100644
--- a/configure.ac
+++ b/configure.ac
@@ -8,7 +8,7 @@ AM_INIT_AUTOMAKE([foreign subdir-objects])
 AC_PREFIX_DEFAULT(/usr)
 
 EXTRA_TARGETS="example tests tests/dga"
-AC_ARG_WITH(only-libndpi,  AS_HELP_STRING([--with-only-libndpi], [Build only libndpi (no examples, tests etc)]))
+AC_ARG_WITH(only-libndpi, AS_HELP_STRING([--with-only-libndpi], [Build only libndpi (no examples, tests etc)]))
 AS_IF([test "${with_only_libndpi+set}" = set],[
   EXTRA_TARGETS=""
 ])
@@ -16,17 +16,17 @@ AS_IF([test "${with_only_libndpi+set}" = set],[
 PWD=`pwd`
 
 
-AC_ARG_WITH(sanitizer,     AS_HELP_STRING([--with-sanitizer], [Build with support for address, undefined and leak sanitizer]))
+AC_ARG_WITH(sanitizer, AS_HELP_STRING([--with-sanitizer], [Build with support for address, undefined and leak sanitizer]))
 AC_ARG_WITH(thread-sanitizer, AS_HELP_STRING([--with-thread-sanitizer], [Build with support for thread sanitizer]))
 AC_ARG_WITH(memory-sanitizer, AS_HELP_STRING([--with-memory-sanitizer], [Build with support for memory sanitizer]))
 AC_ARG_ENABLE(fuzztargets, AS_HELP_STRING([--enable-fuzztargets], [Enable fuzz targets]),[enable_fuzztargets=$enableval],[enable_fuzztargets=no])
 AC_ARG_ENABLE(gprof, AS_HELP_STRING([--enable-gprof], [Enable CPU/HEAP profiling with gperftools]),[enable_gprof=$enableval],[enable_gprof=no])
 AC_ARG_ENABLE(code-coverage, AS_HELP_STRING([--enable-code-coverage], [Generate Code Coverage report]))
-AC_ARG_WITH(local-libgcrypt,  AS_HELP_STRING([--with-local-libgcrypt], [Build with libgcrypt (if present) instead of the enclosed gcrypt light]))
+AC_ARG_WITH(local-libgcrypt, AS_HELP_STRING([--with-local-libgcrypt], [Build with libgcrypt (if present) instead of the enclosed gcrypt light]))
 AC_ARG_ENABLE(tls-sigs, AS_HELP_STRING([--enable-tls-sigs], [Enable TLS Client signature algorithm dissection. Rarely used, but requires significantly more memory.]))
 AC_ARG_ENABLE(npcap, AS_HELP_STRING([--disable-npcap], [msys2 only: Disable linkage against the wpcap/npcap import library in windows/WpdPack/Lib.]))
 AC_ARG_WITH(nbpf-path, AS_HELP_STRING([--with-nbpf-path], [nBPF library custom path; default: ${PWD}/../PF_RING/userland/nbpf]),[NBPF_HOME=$withval],[NBPF_HOME=${PWD}/../PF_RING/userland/nbpf])
-AC_ARG_WITH(lto-and-gold-linker, AS_HELP_STRING([--with-lto-and-gold-linker], [Build with LTO and Gold linker])])
+AC_ARG_WITH(lto-and-gold-linker, AS_HELP_STRING([--with-lto-and-gold-linker], [Build with LTO and Gold linker]))
 
 AS_IF([test "x$enable_fuzztargets" = "xyes"], [
   BUILD_FUZZTARGETS=1
@@ -346,7 +346,7 @@ AS_IF([test "${with_local_libgcrypt+set}" = set],[
 
 dnl> PCRE
 PCRE_ENABLED=0
-AC_ARG_WITH(pcre,          [  --with-pcre        Enable nDPI build with libpcre])
+AC_ARG_WITH(pcre, AS_HELP_STRING([--with-pcre], [Enable nDPI build with libpcre]))
 if test "${with_pcre+set}" = set; then :
   AC_CHECK_LIB(pcre, pcre_compile, AC_DEFINE_UNQUOTED(HAVE_PCRE, 1, [libpcre(-dev) is present]))
   if test "x$ac_cv_lib_pcre_pcre_compile" = xyes; then :
@@ -356,7 +356,7 @@ if test "${with_pcre+set}" = set; then :
 fi
 
 dnl> GeoIP
-AC_ARG_WITH(maxminddb,          [  --with-maxminddb        Enable nDPI build with libmaxminddb])
+AC_ARG_WITH(maxminddb, AS_HELP_STRING([--with-maxminddb], [Enable nDPI build with libmaxminddb]))
 if test "${with_maxminddb+set}" = set; then :
   AC_CHECK_LIB([maxminddb], [MMDB_lookup_sockaddr])
   AC_CHECK_HEADERS([maxminddb.h])