diff --git a/src/detect-engine-register.h b/src/detect-engine-register.h
index 24a0e56cce..92acd84f04 100644
--- a/src/detect-engine-register.h
+++ b/src/detect-engine-register.h
@@ -325,6 +325,8 @@ enum DetectKeywordId {
     DETECT_TRANSFORM_PCREXFORM,
     DETECT_TRANSFORM_URL_DECODE,
     DETECT_TRANSFORM_XOR,
+    DETECT_TRANSFORM_TOLOWER,
+    DETECT_TRANSFORM_TOUPPER,
 
     DETECT_AL_IKE_EXCH_TYPE,
     DETECT_AL_IKE_SPI_INITIATOR,