diff --git a/components/prism-bash.js b/components/prism-bash.js
index a48b864014..7f0f9e4a31 100644
--- a/components/prism-bash.js
+++ b/components/prism-bash.js
@@ -83,13 +83,13 @@
 			// but not “foo {”
 			{
 				// a) and c)
-				pattern: /(\bfunction\s+)\w+(?=(?:\s*\(?:\s*\))?\s*\{)/,
+				pattern: /(\bfunction\s+)[\w-]+(?=(?:\s*\(?:\s*\))?\s*\{)/,
 				lookbehind: true,
 				alias: 'function'
 			},
 			{
 				// b)
-				pattern: /\b\w+(?=\s*\(\s*\)\s*\{)/,
+				pattern: /\b[\w-]+(?=\s*\(\s*\)\s*\{)/,
 				alias: 'function'
 			}
 		],
diff --git a/tests/languages/bash/function-name_feature.test b/tests/languages/bash/function-name_feature.test
index 51e8213a9f..82cb197960 100644
--- a/tests/languages/bash/function-name_feature.test
+++ b/tests/languages/bash/function-name_feature.test
@@ -1,4 +1,5 @@
 function foo { :; }
+function foo-bar { :; }
 bar() { :; }
 function foo() { :; }
 # Not a function:
@@ -13,6 +14,12 @@ bar { :; }
 	["builtin", ":"],
 	["punctuation", ";"],
 	["punctuation", "}"],
+	["keyword", "function"],
+	["function-name", "foo-bar"],
+	["punctuation", "{"],
+	["builtin", ":"],
+	["punctuation", ";"],
+	["punctuation", "}"],
 	["function-name", "bar"],
 	["punctuation", "("],
 	["punctuation", ")"],