diff --git a/ChangeLog b/ChangeLog
index 7a1f0fb..82144ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -210,6 +210,9 @@ erroneous error "\ at end of pattern".
 errors or other strange effects if compiled in UCP mode. Found with libFuzzer
 and AddressSanitizer.
 
+61. Whitespace at the end of a pcre2test pattern line caused a spurious error 
+message if there were only single-character modifiers. It should be ignored.
+
 
 Version 10.20 30-June-2015
 --------------------------
diff --git a/src/pcre2test.c b/src/pcre2test.c
index 88c61eb..d13f719 100644
--- a/src/pcre2test.c
+++ b/src/pcre2test.c
@@ -3111,7 +3111,11 @@ for (;;)
   /* Find the end of the item; lose trailing whitespace at end of line. */
 
   for (ep = p; *ep != 0 && *ep != ','; ep++);
-  if (*ep == 0) while (ep > p && isspace(ep[-1])) ep--;
+  if (*ep == 0) 
+    {
+    while (ep > p && isspace(ep[-1])) ep--;
+    *ep = 0;
+    }  
 
   /* Remember if the first character is '-'. */