diff --git a/configure.ac b/configure.ac
index aaac5cb3c..fce1274be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -314,17 +314,21 @@ fi
 
 
 # SNIFFER
-ENABLED_SNIFFTEST=no
 AC_ARG_ENABLE([sniffer],
-   [AS_HELP_STRING([--enable-sniffer],[ Enable wolfSSL sniffer support (default: disabled) ])],[
-       ENABLED_SNIFFER=yes
-       AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SNIFFER -DOPENSSL_EXTRA"
-       AS_IF([ test "x$enableval" = "xyes" ],[ AC_CHECK_HEADERS([pcap/pcap.h],[ 
-           ENABLED_SNIFFTEST=yes 
-   ],[ AC_MSG_WARN([cannot enable sniffer test without having libpcap available.]) ]) ])
-   ],[
-       ENABLED_SNIFFER=no
-   ])
+   [AS_HELP_STRING([--enable-sniffer],[Enable wolfSSL sniffer support (default: disabled)])],
+   [ ENABLED_SNIFFER=$enableval ],
+   [ ENABLED_SNIFFER=no ]
+   )
+
+ENABLED_SNIFFTEST=no
+AS_IF([ test "x$ENABLED_SNIFFER" = "xyes" ],
+      [
+          AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SNIFFER -DOPENSSL_EXTRA"
+          AC_CHECK_HEADERS([pcap/pcap.h],
+              [ ENABLED_SNIFFTEST=yes ],
+              [ AC_MSG_WARN([cannot enable sniffer test without having libpcap available.]) ]
+          )
+      ])
 
 AM_CONDITIONAL([BUILD_SNIFFER],   [ test "x$ENABLED_SNIFFER"   = "xyes" ])
 AM_CONDITIONAL([BUILD_SNIFFTEST], [ test "x$ENABLED_SNIFFTEST" = "xyes" ])