diff --git a/components/prism-scheme.js b/components/prism-scheme.js
index 878383f62d..d67c14c2b6 100644
--- a/components/prism-scheme.js
+++ b/components/prism-scheme.js
@@ -44,7 +44,7 @@ Prism.languages.scheme = {
 		pattern: /([\s()])(?:(?:#d(?:#[ei])?|#[ei](?:#d)?)?[+-]?(?:(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)(?:[+-](?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)?|(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)|(?:#[box](?:#[ei])?|#[ei](?:#[box])?)[+-]?(?:[\da-fA-F]+(?:\/[\da-fA-F]+)?(?:[+-][\da-fA-F]+(?:\/[\da-fA-F]+)?i)?|[\da-fA-F]+(?:\/[\da-fA-F]+)?i))(?=[\s()]|$)/,
 		lookbehind: true
 	},
-	'boolean': /#[tf]/,
+	'boolean': /#[ft](?=[()\s]|$)/,
 	'operator': {
 		pattern: /(\()(?:[-+*%\/]|[<>]=?|=>?)(?=\s|$)/,
 		lookbehind: true
diff --git a/components/prism-scheme.min.js b/components/prism-scheme.min.js
index b1a8826dd5..1fb53dd2f1 100644
--- a/components/prism-scheme.min.js
+++ b/components/prism-scheme.min.js
@@ -1 +1 @@
-Prism.languages.scheme={comment:/;.*/,string:{pattern:/"(?:[^"\\]|\\.)*"/,greedy:!0},symbol:{pattern:/'[^()#'\s]+/,greedy:!0},character:{pattern:/#\\(?:[ux][a-fA-F\d]+|[-a-zA-Z]+|\S)/,greedy:!0,alias:"string"},"lambda-parameter":{pattern:/(\(lambda\s+\()[^()'\s]+/,lookbehind:!0},keyword:{pattern:/(\()(?:define(?:-library|-macro|-syntax|-values)?|defmacro|(?:case-)?lambda|let(?:(?:\*|rec)?(?:-values)?|-syntax|rec-syntax)|else|if|cond|begin|delay(?:-force)?|parameterize|guard|set!|(?:quasi-)?quote|syntax-(?:case|rules))(?=[()\s])/,lookbehind:!0},builtin:{pattern:/(\()(?:(?:cons|car|cdr|list|call-with-current-continuation|call\/cc|append|abs|apply|eval)\b|null\?|pair\?|boolean\?|eof-object\?|char\?|procedure\?|number\?|port\?|string\?|vector\?|symbol\?|bytevector\?)(?=[()\s])/,lookbehind:!0},number:{pattern:/([\s()])(?:(?:#d(?:#[ei])?|#[ei](?:#d)?)?[+-]?(?:(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)(?:[+-](?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)?|(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)|(?:#[box](?:#[ei])?|#[ei](?:#[box])?)[+-]?(?:[\da-fA-F]+(?:\/[\da-fA-F]+)?(?:[+-][\da-fA-F]+(?:\/[\da-fA-F]+)?i)?|[\da-fA-F]+(?:\/[\da-fA-F]+)?i))(?=[\s()]|$)/,lookbehind:!0},boolean:/#[tf]/,operator:{pattern:/(\()(?:[-+*%\/]|[<>]=?|=>?)(?=\s|$)/,lookbehind:!0},function:{pattern:/(\()[^()'\s]+(?=[()\s]|$)/,lookbehind:!0},punctuation:/[()']/};
\ No newline at end of file
+Prism.languages.scheme={comment:/;.*/,string:{pattern:/"(?:[^"\\]|\\.)*"/,greedy:!0},symbol:{pattern:/'[^()#'\s]+/,greedy:!0},character:{pattern:/#\\(?:[ux][a-fA-F\d]+|[-a-zA-Z]+|\S)/,greedy:!0,alias:"string"},"lambda-parameter":{pattern:/(\(lambda\s+\()[^()'\s]+/,lookbehind:!0},keyword:{pattern:/(\()(?:define(?:-library|-macro|-syntax|-values)?|defmacro|(?:case-)?lambda|let(?:(?:\*|rec)?(?:-values)?|-syntax|rec-syntax)|else|if|cond|begin|delay(?:-force)?|parameterize|guard|set!|(?:quasi-)?quote|syntax-(?:case|rules))(?=[()\s])/,lookbehind:!0},builtin:{pattern:/(\()(?:(?:cons|car|cdr|list|call-with-current-continuation|call\/cc|append|abs|apply|eval)\b|null\?|pair\?|boolean\?|eof-object\?|char\?|procedure\?|number\?|port\?|string\?|vector\?|symbol\?|bytevector\?)(?=[()\s])/,lookbehind:!0},number:{pattern:/([\s()])(?:(?:#d(?:#[ei])?|#[ei](?:#d)?)?[+-]?(?:(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)(?:[+-](?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)?|(?:\d*\.?\d+(?:[eE][+-]?\d+)?|\d+\/\d+)i)|(?:#[box](?:#[ei])?|#[ei](?:#[box])?)[+-]?(?:[\da-fA-F]+(?:\/[\da-fA-F]+)?(?:[+-][\da-fA-F]+(?:\/[\da-fA-F]+)?i)?|[\da-fA-F]+(?:\/[\da-fA-F]+)?i))(?=[\s()]|$)/,lookbehind:!0},boolean:/#[ft](?=[()\s]|$)/,operator:{pattern:/(\()(?:[-+*%\/]|[<>]=?|=>?)(?=\s|$)/,lookbehind:!0},function:{pattern:/(\()[^()'\s]+(?=[()\s]|$)/,lookbehind:!0},punctuation:/[()']/};
\ No newline at end of file
diff --git a/tests/languages/scheme/boolean_feature.test b/tests/languages/scheme/boolean_feature.test
index 6c10017e3f..af218655a4 100644
--- a/tests/languages/scheme/boolean_feature.test
+++ b/tests/languages/scheme/boolean_feature.test
@@ -1,13 +1,19 @@
 #t
 #f
 
+; not a boolean
+#true
+
 ----------------------------------------------------
 
 [
 	["boolean", "#t"],
-	["boolean", "#f"]
+	["boolean", "#f"],
+
+	["comment", "; not a boolean"],
+	"\r\n#true"
 ]
 
 ----------------------------------------------------
 
-Checks for booleans.
\ No newline at end of file
+Checks for booleans.