diff --git a/src/database.c b/src/database.c
index c8720f9..f817866 100644
--- a/src/database.c
+++ b/src/database.c
@@ -44,7 +44,7 @@
 
 const char *imdb_hdr_fmt = "IMDB v%02u, CAPS: %s;";
 
-int db_open(db_t *db, const char *path)
+int db_open(imdb_t *db, const char *path)
 {
   int init = 0;
   ssize_t bytes = 0;
@@ -54,7 +54,7 @@ int db_open(db_t *db, const char *path)
   assert(db   != NULL);
   assert(path != NULL);
 
-  memset(db, 0x0, sizeof(db_t));
+  memset(db, 0x0, sizeof(imdb_t));
   db->fd = -1;
 
   errno = 0;
@@ -82,7 +82,7 @@ int db_open(db_t *db, const char *path)
   return 0;
 }
 
-int db_close(db_t *db)
+int db_close(imdb_t *db)
 {
   assert(db != NULL);
 
@@ -96,7 +96,7 @@ int db_close(db_t *db)
   return 0;
 }
 
-int db_rd_rec(db_t *db, rec_t *rec)
+int db_rd_rec(imdb_t *db, rec_t *rec)
 {
   ssize_t bytes = 0;
 
@@ -110,7 +110,7 @@ int db_rd_rec(db_t *db, rec_t *rec)
   return bytes / IMDB_REC_LEN;
 }
 
-int db_wr_rec(db_t *db, rec_t *rec)
+int db_wr_rec(imdb_t *db, rec_t *rec)
 {
   ssize_t bytes = 0;
 
@@ -124,7 +124,7 @@ int db_wr_rec(db_t *db, rec_t *rec)
   return bytes / IMDB_REC_LEN;
 }
 
-int db_rd_blk(db_t *db, block_t *blk)
+int db_rd_blk(imdb_t *db, block_t *blk)
 {
   ssize_t bytes = 0;
 
@@ -142,7 +142,7 @@ int db_rd_blk(db_t *db, block_t *blk)
   return blk->records;
 }
 
-int db_rd_list(db_t *db, rec_t *list, size_t list_len)
+int db_rd_list(imdb_t *db, rec_t *list, size_t list_len)
 {
   rec_t *r = NULL;
   ssize_t bytes;
@@ -163,7 +163,7 @@ int db_rd_list(db_t *db, rec_t *list, size_t list_len)
   return processed;
 }
 
-int db_wr_list(db_t *db, rec_t *list, size_t list_len)
+int db_wr_list(imdb_t *db, rec_t *list, size_t list_len)
 {
   rec_t *r = NULL;
   ssize_t bytes;
@@ -184,7 +184,7 @@ int db_wr_list(db_t *db, rec_t *list, size_t list_len)
   return processed;
 }
 
-int db_search(db_t *db, rec_t *sample, float tresh, match_t **matches)
+int db_search(imdb_t *db, rec_t *sample, float tresh, match_t **matches)
 {
   const int blk_size = 4096;
   uint64_t found = 0;
diff --git a/src/database.h b/src/database.h
index 4bc2f91..cbaf4f7 100644
--- a/src/database.h
+++ b/src/database.h
@@ -9,7 +9,7 @@ typedef struct {
   int fd;
   const char *path;
   const char *errstr;
-} db_t;
+} imdb_t;
 
 typedef struct {
   uint64_t start;
@@ -67,17 +67,17 @@ typedef struct {
   float diff;
 } match_t;
 
-extern int db_open(db_t *db, const char *path);
-extern int db_close(db_t *db);
+extern int db_open(imdb_t *db, const char *path);
+extern int db_close(imdb_t *db);
 
-extern int db_rd_rec(db_t *db, rec_t *rec);
-extern int db_wr_rec(db_t *db, rec_t *rec);
+extern int db_rd_rec(imdb_t *db, rec_t *rec);
+extern int db_wr_rec(imdb_t *db, rec_t *rec);
 
-extern int db_rd_blk(db_t *db, block_t *blk);
-extern int db_wr_blk(db_t *db, block_t *blk);
+extern int db_rd_blk(imdb_t *db, block_t *blk);
+extern int db_wr_blk(imdb_t *db, block_t *blk);
 
-extern int db_rd_list(db_t *db, rec_t *list, size_t list_len);
-extern int db_wr_list(db_t *db, rec_t *list, size_t list_len);
+extern int db_rd_list(imdb_t *db, rec_t *list, size_t list_len);
+extern int db_wr_list(imdb_t *db, rec_t *list, size_t list_len);
 
 /**
  @returns:
@@ -85,6 +85,6 @@ extern int db_wr_list(db_t *db, rec_t *list, size_t list_len);
    0 if nothing found
   >0 if found some matches
  */
-extern int db_search(db_t *db, rec_t *sample, float tresh, match_t **matches);
+extern int db_search(imdb_t *db, imdb_rec_t *sample, float tresh, match_t **matches);
 
 #endif
diff --git a/src/util.c b/src/util.c
index 2924e4c..2c7d643 100644
--- a/src/util.c
+++ b/src/util.c
@@ -37,7 +37,7 @@ void usage(int exitcode) {
     exit(exitcode);
 }
 
-int search_similar(db_t *db, rec_t *sample, float tresh)
+int search_similar(imdb_t *db, rec_t *sample, float tresh)
 {
   int ret = 0, i = 0;
   match_t *matches = NULL;
@@ -58,7 +58,7 @@ int search_similar(db_t *db, rec_t *sample, float tresh)
   return 0;
 }
 
-int db_usage_map(db_t *db, unsigned short int cols)
+int db_usage_map(imdb_t *db, unsigned short int cols)
 {
   const int blk_size = 4096;
   unsigned int i, j = 0;
@@ -95,7 +95,7 @@ int db_usage_map(db_t *db, unsigned short int cols)
   return 0;
 }
 
-int rec_bitmap(db_t *db, rec_t *sample)
+int rec_bitmap(imdb_t *db, rec_t *sample)
 {
   uint16_t row;
   uint8_t i, j;
@@ -122,7 +122,7 @@ int rec_bitmap(db_t *db, rec_t *sample)
   return 0;
 }
 
-int rec_diff(db_t *db, unsigned long a, unsigned long b, unsigned short int showmap)
+int rec_diff(imdb_t *db, unsigned long a, unsigned long b, unsigned short int showmap)
 {
   rec_t src;
   rec_t dst;
@@ -182,13 +182,13 @@ int main(int argc, char **argv)
   const char *db_path = NULL;
   float tresh = 0.10;
   unsigned short int cols = 64, map = 0;
-  db_t db;
+  imdb_t db;
   rec_t sample;
   unsigned long a = 0, b = 0;
   char *c = NULL;
   char opt = '\0';
 
-  memset(&db,     0x0, sizeof(db_t));
+  memset(&db,     0x0, sizeof(imdb_t));
   memset(&sample, 0x0, sizeof(rec_t));
 
   if (argc < 3)
diff --git a/tests/database.c b/tests/database.c
index 3f926d0..cdb0072 100644
--- a/tests/database.c
+++ b/tests/database.c
@@ -3,7 +3,7 @@
 
 int main(int argc, char **argv)
 {
-  db_t db;
+  imdb_t db;
   rec_t rec[2];
   block_t blk;
   char *path = "test.db";