diff --git a/apache2/apache2_config.c b/apache2/apache2_config.c
index 6c0ffd15..b553c9f6 100644
--- a/apache2/apache2_config.c
+++ b/apache2/apache2_config.c
@@ -679,7 +679,7 @@ static const char *add_rule(cmd_parms *cmd, directory_config *dcfg, int type,
     if ((rule->actionset->id != NULL) && apr_table_get(dcfg->tmp_rule_placeholders, rule->actionset->id)) {
         msre_rule *phrule = apr_palloc(rule->ruleset->mp, sizeof(msre_rule));
         if (phrule == NULL) {
-        	return FATAL_ERROR;
+            return FATAL_ERROR;
         }
 
         #ifdef DEBUG_CONF
diff --git a/apache2/re_actions.c b/apache2/re_actions.c
index 5f86b1b8..dd076a5e 100644
--- a/apache2/re_actions.c
+++ b/apache2/re_actions.c
@@ -713,12 +713,12 @@ static apr_status_t msre_action_ctl_execute(modsec_rec *msr, apr_pool_t *mptmp,
             msr->txcfg->is_enabled = MODSEC_ENABLED;
             msr->usercfg->is_enabled = MODSEC_ENABLED;
         }
-		else
+        else
         if (strcasecmp(value, "off") == 0) {
             msr->txcfg->is_enabled = MODSEC_DISABLED;
             msr->usercfg->is_enabled = MODSEC_DISABLED;
         }
-		else
+        else
         if (strcasecmp(value, "detectiononly") == 0) {
             msr->txcfg->is_enabled = MODSEC_DETECTION_ONLY;
             msr->usercfg->is_enabled = MODSEC_DETECTION_ONLY;
@@ -761,12 +761,12 @@ static apr_status_t msre_action_ctl_execute(modsec_rec *msr, apr_pool_t *mptmp,
             msr->txcfg->auditlog_flag = AUDITLOG_ON;
             msr->usercfg->auditlog_flag = AUDITLOG_ON;
         }
-		else
+        else
         if (strcasecmp(value, "off") == 0) {
             msr->txcfg->auditlog_flag = AUDITLOG_OFF;
             msr->usercfg->auditlog_flag = AUDITLOG_OFF;
         }
-		else
+        else
         if (strcasecmp(value, "relevantonly") == 0) {
             msr->txcfg->auditlog_flag = AUDITLOG_RELEVANT;
             msr->usercfg->auditlog_flag = AUDITLOG_RELEVANT;
diff --git a/apache2/re_operators.c b/apache2/re_operators.c
index 856c8f06..f9070427 100644
--- a/apache2/re_operators.c
+++ b/apache2/re_operators.c
@@ -1125,7 +1125,7 @@ static int msre_op_geoLookup_execute(modsec_rec *msr, msre_rule *rule, msre_var
 
     rc = geo_lookup(msr, &rec, geo_host, error_msg);
     if (rc <= 0) {
-    	*error_msg = apr_psprintf(msr->mp, "Geo lookup for \"%s\" failed at %s.", log_escape_nq(msr->mp, geo_host), var->name); 
+        *error_msg = apr_psprintf(msr->mp, "Geo lookup for \"%s\" failed at %s.", log_escape_nq(msr->mp, geo_host), var->name); 
         return rc;
     }
     *error_msg = apr_psprintf(msr->mp, "Geo lookup for \"%s\" succeeded at %s.",