diff --git a/plugins/regex_remap/regex_remap.cc b/plugins/regex_remap/regex_remap.cc
index 3c61c4a..8b2e23c 100644
--- a/plugins/regex_remap/regex_remap.cc
+++ b/plugins/regex_remap/regex_remap.cc
@@ -347,6 +347,7 @@ RemapRegex::compile(const char** error, int* erroffset)
                       NULL);                // use default character tables

   if (NULL == _rex) {
+    error = "_rex is null";
     return -1;
   }

@@ -356,6 +357,7 @@ RemapRegex::compile(const char** error, int* erroffset)
   }

   if (pcre_fullinfo(_rex, _extra, PCRE_INFO_CAPTURECOUNT, &ccount) != 0) {
+    error = "Failed to run pcre_fullinfo";
     return -1;
   }

@@ -409,6 +411,7 @@ RemapRegex::compile(const char** error, int* erroffset)
       if (ix > -1) {
         if ((ix < 10) && (ix > ccount)) {
           TSDebug(PLUGIN_NAME, "Trying to use unavailable substitution, check the regex!");
+          error = "Trying to use unavailable substitution, check the regex!";
           return -1; // No substitutions available other than $0
         }