diff --git a/src/database.c b/src/database.c
index d13cc2d..452ee7c 100644
--- a/src/database.c
+++ b/src/database.c
@@ -192,7 +192,7 @@ int imdb_write_list(imdb_t *db, imdb_rec_t *list, size_t list_len)
   return processed;
 }
 
-int imdb_search(imdb_t *db, imdb_rec_t *sample, float tresh, match_t **matches)
+int imdb_search(imdb_t *db, imdb_rec_t *sample, float tresh, imdb_match_t **matches)
 {
   const int blk_size = 4096;
   uint64_t found = 0;
@@ -233,13 +233,13 @@ int imdb_search(imdb_t *db, imdb_rec_t *sample, float tresh, match_t **matches)
 
       /* allocate more memory, if needed */
       if (found % 10 == 0) {
-        *matches = realloc(*matches, (found + 10) * sizeof(match_t));
+        *matches = realloc(*matches, (found + 10) * sizeof(imdb_match_t));
         if (*matches == NULL) {
           db->errstr = "Memory allocation error";
           FREE(blk.data);
           return -1;
         }
-        memset(&(*matches)[found], 0x0, sizeof(match_t) * 10);
+        memset(&(*matches)[found], 0x0, sizeof(imdb_match_t) * 10);
       }
 
       /* create match record */
diff --git a/src/database.h b/src/database.h
index 2bccd49..3011356 100644
--- a/src/database.h
+++ b/src/database.h
@@ -66,7 +66,7 @@ typedef struct {
 typedef struct {
   uint64_t num;
   float diff;
-} match_t;
+} imdb_match_t;
 
 extern int imdb_open (imdb_t *db, const char *path);
 extern int imdb_close(imdb_t *db);
@@ -86,6 +86,6 @@ extern int imdb_write_list(imdb_t *db, imdb_rec_t *list, size_t list_len);
    0 if nothing found
   >0 if found some matches
  */
-extern int imdb_search(imdb_t *db, imdb_rec_t *sample, float tresh, match_t **matches);
+extern int imdb_search(imdb_t *db, imdb_rec_t *sample, float tresh, imdb_match_t **matches);
 
 #endif
diff --git a/src/util.c b/src/util.c
index fce197f..59e31a7 100644
--- a/src/util.c
+++ b/src/util.c
@@ -43,7 +43,7 @@ void usage(int exitcode) {
 int search_similar(imdb_t *db, imdb_rec_t *sample, float tresh)
 {
   int ret = 0, i = 0;
-  match_t *matches = NULL;
+  imdb_match_t *matches = NULL;
 
   ret = imdb_search(db, sample, tresh, &matches);
   if (ret == -1) {