diff --git a/after/syntax/c.vim b/after/syntax/c.vim
index 44468b2..7b6afb8 100644
--- a/after/syntax/c.vim
+++ b/after/syntax/c.vim
@@ -7,7 +7,7 @@
 "                              ^    ^ ^    ^ ^ ^
 syn match cDelimiter '[()\[\]{}:;]'
 " Match single character operators, ordering within the [] is important
-syn match cOperator '[\*=\.\^\~+-,&|!%?]'
+syn match cOperator '[\*=\.\^\~+\-,&|!%?]'
 " Match single character operators if they are surrounded by white space: / < >
 "                                                                         ^ ^ ^
 syn match cOperator '\(\s\zs\/\s\ze\|\s\zs<\s\ze\|\s\zs>\s\ze\)'