diff --git a/detect_secrets/plugins/keyword.py b/detect_secrets/plugins/keyword.py
index 4531f9473..c16474adb 100644
--- a/detect_secrets/plugins/keyword.py
+++ b/detect_secrets/plugins/keyword.py
@@ -146,7 +146,7 @@
 DENYLIST_REGEX = r'|'.join(DENYLIST)
 # Non-greedy match
 OPTIONAL_WHITESPACE = r'\s*?'
-OPTIONAL_NON_WHITESPACE = r'[^\s]*?'
+OPTIONAL_NON_WHITESPACE = r'[^\s]{0,50}?'
 QUOTE = r'[\'"]'
 SECRET = r'[^\s]+'
 SQUARE_BRACKETS = r'(\[\])'