diff --git a/devices/sh_core_esp8266/src/sh_core.cpp b/devices/sh_core_esp8266/src/sh_core.cpp
index df912de..d5ac9a1 100644
--- a/devices/sh_core_esp8266/src/sh_core.cpp
+++ b/devices/sh_core_esp8266/src/sh_core.cpp
@@ -445,7 +445,7 @@
 bool sh_channel_is_inverted(uint8_t ch) {
   uint8_t flags = sh_channel_get_u8(ch, SH_CH_RESERVED);
   if (flags == SH_PIN_UNUSED) flags = 0;
-  return (flags & SH_CH_FLAG_INVERT) != 0;
+  return flags == SH_CH_FLAG_INVERT;
 }
 
 void sh_channel_set_inverted(uint8_t ch, bool inverted) {