diff --git a/CHANGES b/CHANGES
index c117e918..f39e7c41 100644
--- a/CHANGES
+++ b/CHANGES
@@ -11,6 +11,7 @@ SVN
              Deal gracefully with read-only pwm_enable files
              Warn about outputs found in automatic mode
              Repeat available configuration options before prompt (#2289)
+  fancontrol: Detect improperly formatted FCTEMPS value (#2293)
   sensord: Fix rrd support (#2276)
            Use the same colors for daily and weekly charts
            Drop workaround needed by old versions of rrdtool
diff --git a/prog/pwm/fancontrol b/prog/pwm/fancontrol
index b6391f40..b479b5a1 100755
--- a/prog/pwm/fancontrol
+++ b/prog/pwm/fancontrol
@@ -82,6 +82,13 @@ function LoadConfig {
 	let fcvcount=0
 	for fcv in $FCTEMPS
 	do
+		if ! echo $fcv | egrep -q '='
+		then
+			echo "Error in configuration file:"
+			echo "FCTEMPS value is improperly formatted"
+			exit 1
+		fi
+
 		AFCPWM[$fcvcount]=`echo $fcv |cut -d'=' -f1`
 		AFCTEMP[$fcvcount]=`echo $fcv |cut -d'=' -f2`
 		AFCFAN[$fcvcount]=`echo $FCFANS |sed -e 's/ /\n/g' |egrep "${AFCPWM[$fcvcount]}" |cut -d'=' -f2`