diff --git a/build/api/module/professorController.php b/build/api/module/professorController.php
index 4f35962..63218d1 100644
--- a/build/api/module/professorController.php
+++ b/build/api/module/professorController.php
@@ -84,13 +84,29 @@ class professorController{
 		/** @var professor $prof_repo */
 		$prof_repo = Repo::getRepo('professor');
 
-		/* (1) Check if professor already exists */
+
+		/* (1) Check for unique field to be unique
+		---------------------------------------------------------*/
+		/* (1) Check @firstName + @lastName */
 		$exists = $prof_repo->exists($lastName, $firstName, $casLogin);
 
 		/* (2) If found -> already exists */
 		if( !is_null($exists) )
 			return ['error' => new Error(Err::AlreadyExists)];
 
+		/* (3) if @casLogin -> check unique */
+		if( !is_null($casLogin) ){
+
+			/* (1) Check if @casLogin already exists */
+			$exists = $prof_repo->getByLogin($casLogin);
+
+			/* (2) If found -> already exists */
+			if( !is_null($exists) )
+				return ['error' => new Error(Err::AlreadyExists)];
+
+		}
+
+
 		/* (3) Else try to create */
 		$repo_rtn = $prof_repo->create(
 			$lastName,
@@ -166,10 +182,40 @@ class professorController{
 		/** @var professor $prof_repo */
 		$prof_repo = Repo::getRepo('professor');
 
+
+		/* (1) If @casLogin -> check unique
+		---------------------------------------------------------*/
 		if( !is_null($casLogin) ){
 
 			/* (1) Check if @casLogin already exists */
-			$exists = $prof_repo->getByLogin($casLogin);
+			$exists_cas = $prof_repo->getByLogin($casLogin);
+
+			/* (2) If found -> already exists */
+			if( !is_null($exists_cas) )
+				return ['error' => new Error(Err::AlreadyExists)];
+
+		}
+
+
+		/* (2) If @lastName or @firstName -> check unique
+		---------------------------------------------------------*/
+		if( !is_null($firstName) || !is_null($lastName) ){
+
+			/* (1) Try to fetch @prof_id data */
+			$fetched = $prof_repo->get($prof_id);
+
+			/* (2) Error if cannot find */
+			if( count($fetched) < 1 )
+				return ['error' => new Error(Err::NoMatchFound)];
+
+			/* (3) Extract @firstName + @lastName */
+			$names = [
+				'lastName'  => is_null($lastName)  ? $fetched[0]['lastName'] : $lastName,
+				'firstName' => is_null($firstName) ? $fetched[0]['firstName'] : $firstName
+			];
+
+			/* (4) Check if exists */
+			$exists = $prof_repo->exists($names['lastName'], $names['firstName']);
 
 			/* (2) If found -> already exists */
 			if( !is_null($exists) )
diff --git a/build/database/repo/professor.php b/build/database/repo/professor.php
index 00e2e16..98df637 100644
--- a/build/database/repo/professor.php
+++ b/build/database/repo/professor.php
@@ -86,7 +86,7 @@ class professor extends Repo_i {
 			':lastName'  => $lastName
 		], $parm);
 
-		$success = $st->execute();
+		$success = $st->execute($params);
 
 		/* (5) Return NULL on error */
 		if( !$success )