src/java.desktop/unix/native/common/awt/systemscale/systemScale.c

@@ -146,11 +146,11 @@
                     if (entry) {
                         void *screen = fp_g_variant_get_child_value(entry, 0);
                         void *scale = fp_g_variant_get_child_value(entry, 1);
                         if (screen && scale) {
                             char *name = fp_g_variant_get_string(screen, NULL);
-                            if (name && strcmp(name, output_name)) {
+                            if (name && !strcmp(name, output_name)) {
                                 result = fp_g_variant_get_int32(scale) / 8.;
                             }
                             fp_g_variant_unref(screen);
                             fp_g_variant_unref(scale);
                         }