diff --git a/src/dictzip.c b/src/dictzip.c
index 51b26586..7615c873 100644
--- a/src/dictzip.c
+++ b/src/dictzip.c
@@ -416,8 +416,9 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
   if ( ftell( str ) != header->headerLength + 1 ) {
     err_internal( __func__, "File position (%lu) != header length + 1 (%d)\n", ftell( str ), header->headerLength + 1 );
     fclose( str );
-    if ( header->chunks )
+    if ( header->chunks ) {
       free( header->chunks );
+    }
     return DZ_ERR_INVALID_FORMAT;
   }
 
@@ -435,8 +436,10 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
   /* Compute offsets */
   header->offsets = xmalloc( sizeof( header->offsets[ 0 ] ) * header->chunkCount );
   if ( header->offsets == 0 ) {
-    if ( header->chunks )
+    if ( header->chunks ) {
       free( header->chunks );
+    }
+    fclose( str );
     return DZ_ERR_NOMEMORY;
   }