diff --git a/Sources/HummingbirdMustache/Template+Parser.swift b/Sources/HummingbirdMustache/Template+Parser.swift
index 72ceb7e..4d7e0f9 100644
--- a/Sources/HummingbirdMustache/Template+Parser.swift
+++ b/Sources/HummingbirdMustache/Template+Parser.swift
@@ -343,6 +343,7 @@ extension HBMustacheTemplate {
             guard try parser.read(":") else { throw Error.invalidConfigVariableSyntax }
             parser.read(while: \.isWhitespace)
             value = parser.read(while: self.sectionNameCharsWithoutBrackets)
+            parser.read(while: \.isWhitespace)
             guard try parser.read(string: state.endDelimiter) else { throw Error.invalidConfigVariableSyntax }
         } catch {
             throw Error.invalidConfigVariableSyntax
diff --git a/Tests/HummingbirdMustacheTests/TemplateParserTests.swift b/Tests/HummingbirdMustacheTests/TemplateParserTests.swift
index 83b9587..f7e7f08 100644
--- a/Tests/HummingbirdMustacheTests/TemplateParserTests.swift
+++ b/Tests/HummingbirdMustacheTests/TemplateParserTests.swift
@@ -34,7 +34,13 @@ final class TemplateParserTests: XCTestCase {
 
     func testContentType() throws {
         let template = try HBMustacheTemplate(string: "{{% CONTENT_TYPE:TEXT}}")
+        let template1 = try HBMustacheTemplate(string: "{{% CONTENT_TYPE:TEXT }}")
+        let template2 = try HBMustacheTemplate(string: "{{% CONTENT_TYPE: TEXT}}")
+        let template3 = try HBMustacheTemplate(string: "{{%CONTENT_TYPE:TEXT}}")
         XCTAssertEqual(template.tokens, [.contentType(HBTextContentType())])
+        XCTAssertEqual(template1.tokens, [.contentType(HBTextContentType())])
+        XCTAssertEqual(template2.tokens, [.contentType(HBTextContentType())])
+        XCTAssertEqual(template3.tokens, [.contentType(HBTextContentType())])
     }
 }