diff --git a/wmail/src/config.c b/wmail/src/config.c
index 023869a..e81476a 100644
--- a/wmail/src/config.c
+++ b/wmail/src/config.c
@@ -259,7 +259,7 @@ void ReadConfigFile( bool resetConfigStrings )
 		    const char *id, *value;
 		    size_t len;
 
-		    if( fgets( buf, 1024, f ) == NULL )
+		    if( fgets( buf, sizeof buf, f ) == NULL )
 			break;
 
 		    // first eliminate the trailing whitespaces
diff --git a/wmail/src/wmail.c b/wmail/src/wmail.c
index 6178651..24b094c 100644
--- a/wmail/src/wmail.c
+++ b/wmail/src/wmail.c
@@ -840,7 +840,7 @@ static void ParseMBoxFile( struct stat *fileStat )
 	return;
     }
 
-    while( fgets( buf, 1024, f ) != NULL )
+    while( fgets( buf, sizeof buf, f ) != NULL )
     {
 	if( strncmp( buf, "From ", 5 ) == 0 ) {
 	    fromFound = 1;
@@ -900,7 +900,7 @@ static void ParseMaildirFile( const char *fileName, unsigned long checksum,
 	return;
     }
 
-    while( fgets( buf, 1024, f ) != NULL )
+    while( fgets( buf, sizeof buf, f ) != NULL )
     {
 	if( strncasecmp( buf, "from: ", 6 ) == 0 )
 	{