diff --git a/ShellScript/Bash.sublime-syntax b/ShellScript/Bash.sublime-syntax
index a5c8d5e9d8..1343166b1a 100644
--- a/ShellScript/Bash.sublime-syntax
+++ b/ShellScript/Bash.sublime-syntax
@@ -510,7 +510,7 @@ contexts:
     - include: immediately-pop
 
   cmd-declare-args:
-    - match: ([-+])(?:[aAgilnrtux]*[Ff][aAgilnrtux]*)
+    - match: ([-+])(?:[aAgiIlnrtux]*[Ff][aAgiIlnrtux]*)
       scope:
         meta.parameter.option.shell
         variable.parameter.option.shell
@@ -528,7 +528,7 @@ contexts:
     - include: cmd-args-end-of-options-then-variables
 
   cmd-declare-options:
-    - match: ([-+])(?:[aAgilnrtux]+|p)
+    - match: ([-+])(?:[aAgiIlnrtux]+|p)
       scope:
         meta.parameter.option.shell
         variable.parameter.option.shell
diff --git a/ShellScript/test/syntax_test_bash.sh b/ShellScript/test/syntax_test_bash.sh
index 12798eb560..f9fd25f47e 100755
--- a/ShellScript/test/syntax_test_bash.sh
+++ b/ShellScript/test/syntax_test_bash.sh
@@ -1463,6 +1463,12 @@ declare -A foo bar  # 'foo' and 'bar' are variable names
 #                 ^ - meta.declaration.variable
 #                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ comment.line.number-sign.shell
 
+declare -I foo
+#^^^^^^ meta.declaration.variable.shell
+#      ^^^^^^^ meta.declaration.variable.arguments.shell
+#       ^^ variable.parameter.option.shell
+#          ^^^ variable.other.readwrite.shell
+
 declare ret; bar=foo # comment
 #^^^^^^ meta.declaration.variable.shell
 #      ^^^^ meta.declaration.variable.arguments.shell