diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 4f2a571a9..94655e19c 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -37,7 +37,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "mediastreamer2/mseventqueue.h"
 #include "mediastreamer2/mssndcard.h"
 
-static const char EC_STATE_STORE[] = ".linphone.ecstate";
+static const char *EC_STATE_STORE = ".linphone.ecstate";
 #define EC_STATE_MAX_LEN 1048576 // 1Mo
 
 static void linphone_call_stats_uninit(LinphoneCallStats *stats);
@@ -1980,7 +1980,8 @@ void linphone_call_init_audio_stream(LinphoneCall *call){
 		audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize);
 		if (audiostream->ec) {
 			char *statestr=ms_malloc0(EC_STATE_MAX_LEN);
-			if (lp_config_read_relative_file(lc->config, EC_STATE_STORE, statestr, EC_STATE_MAX_LEN) == 0) {
+			if (lp_config_relative_file_exists(lc->config, EC_STATE_STORE)
+				 && lp_config_read_relative_file(lc->config, EC_STATE_STORE, statestr, EC_STATE_MAX_LEN) == 0) {
 				ms_filter_call_method(audiostream->ec, MS_ECHO_CANCELLER_SET_STATE_STRING, statestr);
 			}
 			ms_free(statestr);
diff --git a/coreapi/lpconfig.c b/coreapi/lpconfig.c
index f6755863b..d45a199db 100644
--- a/coreapi/lpconfig.c
+++ b/coreapi/lpconfig.c
@@ -100,7 +100,7 @@ LpItem * lp_comment_new(const char *comment){
 	pos=strchr(item->value,'\r');
 	if (pos==NULL)
 		pos=strchr(item->value,'\n');
-	
+
 	if(pos) {
 		*pos='\0'; /*replace the '\n' */
 	}
@@ -362,7 +362,7 @@ LpConfig *lp_config_new_with_factory(const char *config_filename, const char *fa
 		ms_message("Using (r/w) config information from %s", config_filename);
 		lpconfig->filename=ortp_strdup(config_filename);
 		lpconfig->tmpfilename=ortp_strdup_printf("%s.tmp",config_filename);
-		
+
 #if !defined(WIN32)
 		{
 			struct stat fileStat;
@@ -719,6 +719,20 @@ static char *_lp_config_dirname(char *path) {
 #endif
 }
 
+bool_t lp_config_relative_file_exists(const LpConfig *lpconfig, const char *filename) {
+	if (lpconfig->filename == NULL)
+		return FALSE;
+	char *dir = _lp_config_dirname(lpconfig->filename);
+	char *filepath = ms_strdup_printf("%s/%s", dir, filename);
+	FILE *file = fopen(filepath, "r");
+	ms_free(dir);
+	ms_free(filepath);
+	if (file) {
+		fclose(file);
+	}
+	return file != NULL;
+}
+
 void lp_config_write_relative_file(const LpConfig *lpconfig, const char *filename, const char *data) {
 	if (lpconfig->filename == NULL) return;
 	if(strlen(data) > 0) {
@@ -760,7 +774,7 @@ int lp_config_read_relative_file(const LpConfig *lpconfig, const char *filename,
 	ms_free(dir);
 	ms_free(filepath);
 	return 0;
-	
+
 err:
 	ms_free(dir);
 	ms_free(filepath);
diff --git a/coreapi/lpconfig.h b/coreapi/lpconfig.h
index 65fd613f4..b03bfa57f 100644
--- a/coreapi/lpconfig.h
+++ b/coreapi/lpconfig.h
@@ -290,6 +290,11 @@ LINPHONE_PUBLIC void lp_config_write_relative_file(const LpConfig *lpconfig, con
  */
 LINPHONE_PUBLIC int lp_config_read_relative_file(const LpConfig *lpconfig, const char *filename, char *data, size_t max_length);
 
+/**
+ * @return TRUE if file exists relative to the to the current location
+**/
+LINPHONE_PUBLIC bool_t lp_config_relative_file_exists(const LpConfig *lpconfig, const char *filename);
+
 #ifdef __cplusplus
 }
 #endif