diff --git a/centrallix-lib/src/cxsec.c b/centrallix-lib/src/cxsec.c
index c5d27c541..930e42c31 100644
--- a/centrallix-lib/src/cxsec.c
+++ b/centrallix-lib/src/cxsec.c
@@ -124,6 +124,7 @@ cxsecUpdateDS(unsigned long* start, unsigned long* end, char* file, int line)
 int
 cxsecVerifySymbol(const char* sym)
     {
+    const char* original_symbol = sym;
 
 	/** First char must be alpha or underscore, and must exist (len >= 1).
 	 ** We don't use isalpha() et al here because symbols need to conform to
@@ -131,24 +132,30 @@ cxsecVerifySymbol(const char* sym)
 	 ** significant security risks in the event of a locale mismatch!!
 	 **/
 	if (*sym != '_' && (*sym < 'A' || *sym > 'Z') && (*sym < 'a' || *sym > 'z'))
-	    return -1;
+	    goto err;
 
 	/** Next chars may be 1) end of string, 2) digits, 3) alpha, or 4) underscore **/
 	sym++;
 	while(*sym)
 	    {
 	    if (*sym != '_' && (*sym < 'A' || *sym > 'Z') && (*sym < 'a' || *sym > 'z') && (*sym < '0' || *sym > '9'))
-		return -1;
+		goto err;
 	    sym++;
 	    }
 
-    return 0;
+	return 0;
+	
+	err:
+	fprintf(stderr, "WARNING: '%s' is not a valid symbol!\n", original_symbol);
+	return -1;
     }
 
 
 int
 cxsecVerifySymbol_n(const char* sym, size_t n)
     {
+    const char* original_symbol = sym;
+    const size_t original_n = n;
 
 	/** First char must be alpha or underscore, and must exist (len >= 1).
 	 ** We don't use isalpha() et al here because symbols need to conform to
@@ -156,7 +163,7 @@ cxsecVerifySymbol_n(const char* sym, size_t n)
 	 ** significant security risks in the event of a locale mismatch!!
 	 **/
 	if (n <= 0 || (*sym != '_' && (*sym < 'A' || *sym > 'Z') && (*sym < 'a' || *sym > 'z')))
-	    return -1;
+	    goto err;
 	n--;
 
 	/** Next chars may be 1) end of string, 2) digits, 3) alpha, or 4) underscore **/
@@ -164,12 +171,16 @@ cxsecVerifySymbol_n(const char* sym, size_t n)
 	while(n)
 	    {
 	    if (*sym != '_' && (*sym < 'A' || *sym > 'Z') && (*sym < 'a' || *sym > 'z') && (*sym < '0' || *sym > '9'))
-		return -1;
+		goto err;
 	    sym++;
 	    n--;
 	    }
 
-    return 0;
+	return 0;
+
+	err:
+	fprintf(stderr, "WARNING: '%.*s' is not a valid symbol!\n", (int)original_n, original_symbol);
+	return -1;
     }