diff --git a/docker/prod/docker-compose.yml b/docker/prod/docker-compose.yml
index 2189c44..186e8e1 100644
--- a/docker/prod/docker-compose.yml
+++ b/docker/prod/docker-compose.yml
@@ -2,7 +2,7 @@ version: '3.3'
 
 services:
   pictrs:
-    image: asonix/pictrs:v0.3.0-alpha.13-shell-out-r2
+    image: asonix/pictrs:v0.3.0-alpha.13-shell-out-r3
     ports:
       - "127.0.0.1:8080:8080"
     restart: always
diff --git a/src/exiv2.rs b/src/exiv2.rs
index 8ee207e..4c1c2a5 100644
--- a/src/exiv2.rs
+++ b/src/exiv2.rs
@@ -19,14 +19,6 @@ pub(crate) enum Exvi2Error {
     Unsupported,
 }
 
-pub(crate) enum ValidInputType {
-    Mp4,
-    Gif,
-    Png,
-    Jpeg,
-    Webp,
-}
-
 pub(crate) struct Details {
     pub(crate) mime_type: mime::Mime,
     pub(crate) width: usize,
@@ -62,42 +54,6 @@ where
     Ok(())
 }
 
-pub(crate) async fn input_type<P>(file: P) -> Result<ValidInputType, Exvi2Error>
-where
-    P: AsRef<std::path::Path>,
-{
-    let permit = semaphore().acquire().await?;
-
-    let output = tokio::process::Command::new("exiv2")
-        .arg(&"pr")
-        .arg(&file.as_ref())
-        .output()
-        .await?;
-    drop(permit);
-
-    let s = String::from_utf8_lossy(&output.stdout);
-
-    let mime_line = s
-        .lines()
-        .find(|line| line.starts_with("MIME"))
-        .ok_or_else(|| Exvi2Error::Missing)?;
-
-    let mut segments = mime_line.rsplit(':');
-    let mime_type = segments.next().ok_or_else(|| Exvi2Error::Missing)?;
-
-    let input_type = match mime_type.trim() {
-        "video/mp4" => ValidInputType::Mp4,
-        "video/quicktime" => ValidInputType::Mp4,
-        "image/gif" => ValidInputType::Gif,
-        "image/png" => ValidInputType::Png,
-        "image/jpeg" => ValidInputType::Jpeg,
-        "image/webp" => ValidInputType::Webp,
-        _ => return Err(Exvi2Error::Unsupported),
-    };
-
-    Ok(input_type)
-}
-
 pub(crate) async fn details<P>(file: P) -> Result<Details, Exvi2Error>
 where
     P: AsRef<std::path::Path>,
diff --git a/src/magick.rs b/src/magick.rs
index 4098107..f90c3b9 100644
--- a/src/magick.rs
+++ b/src/magick.rs
@@ -13,22 +13,14 @@ pub(crate) enum MagickError {
     Format,
 }
 
-pub(crate) enum ValidFormat {
-    Jpeg,
+pub(crate) enum ValidInputType {
+    Mp4,
+    Gif,
     Png,
+    Jpeg,
     Webp,
 }
 
-impl ValidFormat {
-    fn as_magic_type(&self) -> &'static str {
-        match self {
-            ValidFormat::Jpeg => "JPEG",
-            ValidFormat::Png => "PNG",
-            ValidFormat::Webp => "WEBP",
-        }
-    }
-}
-
 static MAX_CONVERSIONS: once_cell::sync::OnceCell<tokio::sync::Semaphore> =
     once_cell::sync::OnceCell::new();
 
@@ -69,7 +61,7 @@ where
     Ok(())
 }
 
-pub(crate) async fn validate_format<P>(file: &P, format: ValidFormat) -> Result<(), MagickError>
+pub(crate) async fn input_type<P>(file: &P) -> Result<ValidInputType, MagickError>
 where
     P: AsRef<std::path::Path>,
 {
@@ -85,13 +77,22 @@ where
 
     let s = String::from_utf8_lossy(&output.stdout);
 
-    if s.lines()
-        .all(|item| item.is_empty() || item == format.as_magic_type())
-    {
-        return Ok(());
-    }
+    let mut lines = s.lines();
+    let first = lines.next();
 
-    Err(MagickError::Format)
+    let opt = lines.fold(first, |acc, item| match acc {
+        Some(prev) if prev == item => Some(prev),
+        _ => None,
+    });
+
+    match opt {
+        Some("MP4") => Ok(ValidInputType::Mp4),
+        Some("GIF") => Ok(ValidInputType::Gif),
+        Some("PNG") => Ok(ValidInputType::Png),
+        Some("JPEG") => Ok(ValidInputType::Jpeg),
+        Some("WEBP") => Ok(ValidInputType::Webp),
+        _ => Err(MagickError::Format),
+    }
 }
 
 pub(crate) async fn process_image<P1, P2>(
diff --git a/src/validate.rs b/src/validate.rs
index 791929b..f374401 100644
--- a/src/validate.rs
+++ b/src/validate.rs
@@ -1,6 +1,4 @@
-use crate::{
-    config::Format, error::UploadError, exiv2::ValidInputType, magick::ValidFormat, tmp_file,
-};
+use crate::{config::Format, error::UploadError, magick::ValidInputType, tmp_file};
 
 pub(crate) fn image_webp() -> mime::Mime {
     "image/webp".parse().unwrap()
@@ -16,7 +14,7 @@ pub(crate) async fn validate_image(
     tmpfile: std::path::PathBuf,
     prescribed_format: Option<Format>,
 ) -> Result<mime::Mime, UploadError> {
-    let input_type = crate::exiv2::input_type(&tmpfile).await?;
+    let input_type = crate::magick::input_type(&tmpfile).await?;
 
     match (prescribed_format, input_type) {
         (_, ValidInputType::Gif) | (_, ValidInputType::Mp4) => {
@@ -28,8 +26,6 @@ pub(crate) async fn validate_image(
             Ok(video_mp4())
         }
         (Some(Format::Jpeg), ValidInputType::Jpeg) | (None, ValidInputType::Jpeg) => {
-            tracing::debug!("Validating format");
-            crate::magick::validate_format(&tmpfile, ValidFormat::Jpeg).await?;
             tracing::debug!("Clearing metadata");
             crate::exiv2::clear_metadata(&tmpfile).await?;
             tracing::debug!("Validated");
@@ -37,8 +33,6 @@ pub(crate) async fn validate_image(
             Ok(mime::IMAGE_JPEG)
         }
         (Some(Format::Png), ValidInputType::Png) | (None, ValidInputType::Png) => {
-            tracing::debug!("Validating format");
-            crate::magick::validate_format(&tmpfile, ValidFormat::Png).await?;
             tracing::debug!("Clearing metadata");
             crate::exiv2::clear_metadata(&tmpfile).await?;
             tracing::debug!("Validated");
@@ -46,8 +40,6 @@ pub(crate) async fn validate_image(
             Ok(mime::IMAGE_PNG)
         }
         (Some(Format::Webp), ValidInputType::Webp) | (None, ValidInputType::Webp) => {
-            tracing::debug!("Validating format");
-            crate::magick::validate_format(&tmpfile, ValidFormat::Webp).await?;
             tracing::debug!("Clearing metadata");
             crate::exiv2::clear_metadata(&tmpfile).await?;
             tracing::debug!("Validated");