diff --git a/CHANGES b/CHANGES
index 07d592ac..b44b1b60 100644
--- a/CHANGES
+++ b/CHANGES
@@ -36,6 +36,7 @@ SVN HEAD
                    Hide error on missing dme1737 fan and pwm
                    Add thmc50/adm1022 support
                    Hide error on missing adm1021 die code
+                   Handle gl518sm with no voltage input values
   Program sensors-detect: Don't probe i2c-isa as a regular i2c bus
                           Add Winbond W83L786NR/NG/R/G detection
                           Add Winbond W83L771W/G detection
diff --git a/prog/sensors/chips.c b/prog/sensors/chips.c
index 792de9d9..a0d2dd75 100644
--- a/prog/sensors/chips.c
+++ b/prog/sensors/chips.c
@@ -1036,12 +1036,11 @@ void print_gl518(const sensors_chip_name *name)
  * of the GL518SM, we cannot read their values. This is detected when the
  * reading would be 0.0 V and displayed as "(n/a)" instead. */
   if (!sensors_get_label_and_valid(*name,SENSORS_GL518_VDD,&label,&valid) &&
-      !sensors_get_feature(*name,SENSORS_GL518_VDD,&cur) &&
       !sensors_get_feature(*name,SENSORS_GL518_VDD_MIN,&min) &&
       !sensors_get_feature(*name,SENSORS_GL518_VDD_MAX,&max)) {
     if (valid) {
       print_label(label,10);
-      if (cur == 0.0)
+      if (sensors_get_feature(*name, SENSORS_GL518_VDD, &cur) || cur == 0.0)
         printf("(n/a)     ");
       else
         printf("%+6.2f V  ",cur);
@@ -1054,12 +1053,11 @@ void print_gl518(const sensors_chip_name *name)
   free(label);
 
   if (!sensors_get_label_and_valid(*name,SENSORS_GL518_VIN1,&label,&valid) &&
-      !sensors_get_feature(*name,SENSORS_GL518_VIN1,&cur) &&
       !sensors_get_feature(*name,SENSORS_GL518_VIN1_MIN,&min) &&
       !sensors_get_feature(*name,SENSORS_GL518_VIN1_MAX,&max)) {
     if (valid) {
       print_label(label,10);
-      if (cur == 0.0)
+      if (sensors_get_feature(*name, SENSORS_GL518_VIN1, &cur) || cur == 0.0)
         printf("(n/a)     ");
       else
         printf("%+6.2f V  ",cur);
@@ -1072,12 +1070,11 @@ void print_gl518(const sensors_chip_name *name)
   free(label);
 
   if (!sensors_get_label_and_valid(*name,SENSORS_GL518_VIN2,&label,&valid) &&
-      !sensors_get_feature(*name,SENSORS_GL518_VIN2,&cur) &&
       !sensors_get_feature(*name,SENSORS_GL518_VIN2_MIN,&min) &&
       !sensors_get_feature(*name,SENSORS_GL518_VIN2_MAX,&max)) {
     if (valid) {
       print_label(label,10);
-      if (cur == 0.0)
+      if (sensors_get_feature(*name, SENSORS_GL518_VIN2, &cur) || cur == 0.0)
         printf("(n/a)     ");
       else
         printf("%+6.2f V  ",cur);