diff --git a/DESCRIPTION b/DESCRIPTION
index 3ed13ee..b2a1383 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: phonfieldwork
 Type: Package
 Title: Linguistic Phonetic Fieldwork Tools
-Version: 0.0.13
+Version: 0.0.15
 Depends: R (>= 3.5.0)
 Imports:
     tuneR,
diff --git a/NEWS.md b/NEWS.md
index bfe3d93..8bfaa1f 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,16 @@
+# phonfieldwork 0.0.15
+
+- small fix in `df_to_tier` of cases with non-equal time_end and time_start values in the dataframe
+
+
+# phonfieldwork 0.0.14
+
+- small fix
+
+# phonfieldwork 0.0.13
+
+- fix encoding detection
+
 # phonfieldwork 0.0.12
 
 - add a `separate_duration` argument to the `concatenate_soundfiles()` function that makes it possible to use some silent separator during the file concatenation.
diff --git a/R/df_to_tier.R b/R/df_to_tier.R
index 643aee9..7ef6235 100644
--- a/R/df_to_tier.R
+++ b/R/df_to_tier.R
@@ -46,6 +46,18 @@ df_to_tier <- function(df, textgrid, tier_name = "", overwrite = TRUE) {
     df <- df[, -which(names(df) %in% "time_end")]
   }
 
+  if (TRUE %in% (df$time_end[-nrow(df)] != df$time_start[-1])){
+    wrong_time_end <- which(df$time_end[-nrow(df)] != df$time_start[-1])
+    silence <- lapply(wrong_time_end, function(i){
+      df <<- rbind(df[c(1:i),],
+                   data.frame(time_start = df$time_end[i],
+                              time_end = df$time_start[i+1],
+                              content = ""),
+                   df[-c(1:i),]
+            )
+    })
+  }
+
   tier_class <- ifelse("time_end" %in% names(df),
                        '        class = "IntervalTier" ',
                        '        class = "TextTier" '
diff --git a/R/utils.r b/R/utils.r
index d555c01..77efd17 100644
--- a/R/utils.r
+++ b/R/utils.r
@@ -12,7 +12,7 @@ read_textgrid <- function(file_name) {
   } else {
     # thanks to Artem Klevtsov for this code
     con <- file(file_name,
-                encoding = readr::guess_encoding(file_name)$encoding)
+                encoding = readr::guess_encoding(file_name)$encoding[1])
     tg <- readLines(con)
     close(con)
   }
diff --git a/codemeta.json b/codemeta.json
index ee75941..e251d2c 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -8,13 +8,19 @@
   "codeRepository": "https://github.com/ropensci/phonfieldwork",
   "issueTracker": "https://github.com/ropensci/phonfieldwork/issues",
   "license": "https://spdx.org/licenses/GPL-2.0",
-  "version": "0.0.13",
+  "version": "0.0.15",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",
     "url": "https://r-project.org"
   },
-  "runtimePlatform": "R version 4.3.3 (2024-02-29)",
+  "runtimePlatform": "R version 4.4.1 (2024-06-14)",
+  "provider": {
+    "@id": "https://cran.r-project.org",
+    "@type": "Organization",
+    "name": "Comprehensive R Archive Network (CRAN)",
+    "url": "https://cran.r-project.org"
+  },
   "author": [
     {
       "@type": "Person",
@@ -229,7 +235,7 @@
     },
     "SystemRequirements": "pandoc (>= 1.14) - http://pandoc.org"
   },
-  "fileSize": "4059.603KB",
+  "fileSize": "2085.848KB",
   "citation": [
     {
       "datePublished": "2023",