diff --git a/cmdline/stress.c b/cmdline/stress.c
index 3854efb3..96732878 100644
--- a/cmdline/stress.c
+++ b/cmdline/stress.c
@@ -235,9 +235,9 @@ void stress_functions(dc_context_t* context)
 		assert( dc_get_filebytes(context, "$BLOBDIR/foobar")==7 );
 
 		char* absPath = dc_mprintf("%s/%s", context->blobdir, "foobar");
-		assert(  dc_is_in_blobdir(context, absPath) );
-		assert(  dc_is_in_blobdir(context, "$BLOBDIR/fofo") );
-		assert( !dc_is_in_blobdir(context, "/BLOBDIR/fofo") );
+		assert(  dc_is_blobdir_path(context, absPath) );
+		assert(  dc_is_blobdir_path(context, "$BLOBDIR/fofo") );
+		assert( !dc_is_blobdir_path(context, "/BLOBDIR/fofo") );
 		assert( dc_file_exist(context, absPath) );
 		free(absPath);
 
diff --git a/src/dc_chat.c b/src/dc_chat.c
index aafa39c0..92d3ff1d 100644
--- a/src/dc_chat.c
+++ b/src/dc_chat.c
@@ -2179,7 +2179,7 @@ uint32_t dc_send_msg(dc_context_t* context, uint32_t chat_id, dc_msg_t* msg)
 			goto cleanup;
 		}
 
-		if (dc_msg_is_increation(msg) && !dc_is_in_blobdir(context, pathNfilename)) {
+		if (dc_msg_is_increation(msg) && !dc_is_blobdir_path(context, pathNfilename)) {
 			dc_log_error(context, 0, "Files must be created in the blob-directory.");
 			goto cleanup;
 		}
diff --git a/src/dc_tools.c b/src/dc_tools.c
index 236094a4..39e4e8d2 100644
--- a/src/dc_tools.c
+++ b/src/dc_tools.c
@@ -1431,10 +1431,10 @@ void dc_make_rel_path(dc_context_t* context, char** path)
 
 /**
  * Check if a path describes a file in the blob directory.
- * The path can be give absolute or relative (starting with `$BLOBDIR`).
+ * The path can be absolute or relative (starting with `$BLOBDIR`).
  * The function does not check if the file really exists.
  */
-int dc_is_in_blobdir(dc_context_t* context, const char* path)
+int dc_is_blobdir_path(dc_context_t* context, const char* path)
 {
 	if ((strncmp(path, context->blobdir, strlen(context->blobdir))==0)
 	 || (strncmp(path, "$BLOBDIR", 8)==0)) {
@@ -1462,7 +1462,7 @@ int dc_make_rel_and_copy(dc_context_t* context, char** path)
 		goto cleanup;
 	}
 
-	if (dc_is_in_blobdir(context, *path)) {
+	if (dc_is_blobdir_path(context, *path)) {
 		dc_make_rel_path(context, path);
 		success = 1; // file is already in blobdir
 		goto cleanup;
diff --git a/src/dc_tools.h b/src/dc_tools.h
index 5d7aa6e2..2227f708 100644
--- a/src/dc_tools.h
+++ b/src/dc_tools.h
@@ -110,7 +110,7 @@ int      dc_create_folder           (dc_context_t*, const char* pathNfilename);
 int      dc_write_file              (dc_context_t*, const char* pathNfilename, const void* buf, size_t buf_bytes);
 int      dc_read_file               (dc_context_t*, const char* pathNfilename, void** buf, size_t* buf_bytes);
 char*    dc_get_fine_pathNfilename  (dc_context_t*, const char* pathNfolder, const char* desired_name);
-int      dc_is_in_blobdir           (dc_context_t*, const char* path);
+int      dc_is_blobdir_path         (dc_context_t*, const char* path);
 void     dc_make_rel_path           (dc_context_t*, char** pathNfilename);
 int      dc_make_rel_and_copy       (dc_context_t*, char** pathNfilename);