diff --git a/src/dehacked.c b/src/dehacked.c
index 926c3a488..31cf37636 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -6711,6 +6711,7 @@ static const char *const MOBJEFLAG_LIST[] = {
 	"JUSTSTEPPEDDOWN", // used for ramp sectors
 	"VERTICALFLIP", // Vertically flip sprite/allow upside-down physics
 	"GOOWATER", // Goo water
+	"DUMMY", // free: 1<<7
 	"SPRUNG", // Mobj was already sprung this tic
 	"APPLYPMOMZ", // Platform movement
 	NULL
diff --git a/src/p_mobj.h b/src/p_mobj.h
index e24b09652..3979b1304 100644
--- a/src/p_mobj.h
+++ b/src/p_mobj.h
@@ -232,7 +232,8 @@ typedef enum
 	MFE_VERTICALFLIP      = 1<<5,
 	// Goo water
 	MFE_GOOWATER          = 1<<6,
-	// free: to and including 1<<7
+	// free: 1<<7
+	MFE_DUMMY             = 1<<7,
 	// Mobj was already sprung this tic
 	MFE_SPRUNG            = 1<<8,
 	// Platform movement