diff --git a/contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage b/contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage
index 5a273337f0..a4a7b7ae8d 100644
--- a/contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage
+++ b/contrib/syntax/textmate/Docker.tmbundle/Syntaxes/Dockerfile.tmLanguage
@@ -25,7 +25,7 @@
 				</dict>
 			</dict>
 			<key>match</key>
-			<string>^\s*\b(FROM)\b.*?\b(AS)\b</string>
+			<string>^\s*\b(?i:(FROM))\b.*?\b(?i:(AS))\b</string>
 		</dict>
 		<dict>
 			<key>captures</key>
@@ -42,7 +42,7 @@
 				</dict>
 			</dict>
 			<key>match</key>
-			<string>^\s*(?:(ONBUILD)\s+)?(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR)\s</string>
+			<string>^\s*(?i:(ONBUILD)\s+)?(?i:(ADD|ARG|CMD|COPY|ENTRYPOINT|ENV|EXPOSE|FROM|HEALTHCHECK|LABEL|MAINTAINER|RUN|SHELL|STOPSIGNAL|USER|VOLUME|WORKDIR))\s</string>
 		</dict>
 		<dict>
 			<key>captures</key>
@@ -59,7 +59,7 @@
 				</dict>
 			</dict>
 			<key>match</key>
-			<string>^\s*(?:(ONBUILD)\s+)?(CMD|ENTRYPOINT)\s</string>
+			<string>^\s*(?i:(ONBUILD)\s+)?(?i:(CMD|ENTRYPOINT))\s</string>
 		</dict>
 		<dict>
 			<key>begin</key>