diff -Nru apt-fast-1.9.10/apt-fast apt-fast-1.9.11/apt-fast
--- apt-fast-1.9.10/apt-fast	2020-10-18 20:24:53.000000000 +0000
+++ apt-fast-1.9.11/apt-fast	2021-04-26 19:54:50.000000000 +0000
@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# apt-fast v1.9
+# apt-fast v1.9.11
 # Use this just like aptitude or apt-get for faster package downloading.
 #
 # Copyright: 2008-2012 Matt Parnell, http://www.mattparnell.com
@@ -108,7 +108,6 @@
             "$0" "$@"
 fi
 
-
 # Define lockfile.
 # Use /tmp as directory because everybody (not only root) has to have write
 # permissions.
@@ -119,7 +118,7 @@
 
 # Set default package manager, APT cache, temporary download dir,
 # temporary download list file, and maximal parallel downloads
-_APTMGR=apt-get
+_APTMGR='apt-get'
 eval "$(apt-config shell APTCACHE Dir::Cache::archives/d)"
 # Check if APT config option Dir::Cache::archives::apt-fast-partial is set.
 eval "$(apt-config shell apt_fast_partial Dir::Cache::archives::apt-fast-partial/d)"
@@ -321,11 +320,11 @@
 
   # Add header to overwrite file.
   echo "# apt-fast mirror list: $(date)" > "$DLLIST"
-  #NOTE: aptitude doesn't have this functionality, so we use apt-get to get
-  #      package URIs.
-  case "$_APTMGR" in
-    apt|apt-get) uri_mgr=$_APTMGR;;
-    *) uri_mgr=apt-get;;
+  # NOTE: "aptitude" doesn't have this functionality
+  # so we use "${_APTMGR}" to get package URI's
+  case "$(basename "${_APTMGR}")" in
+    'apt'|'apt-get') uri_mgr="${_APTMGR}";;
+    *) uri_mgr='apt-get';;
   esac
   uris_full="$("$uri_mgr" "${APT_SCRIPT_WARNING[@]}" -y --print-uris "$@")"
   CLEANUP_STATE="$?"
@@ -463,7 +462,7 @@
 
 # Disable script warning if apt is used.
 APT_SCRIPT_WARNING=()
-if [ "$_APTMGR" == "apt" ]; then
+if [ "$(basename "${_APTMGR}")" == 'apt' ]; then
     APT_SCRIPT_WARNING=(-o "Apt::Cmd::Disable-Script-Warning=true")
 fi
 
@@ -577,6 +576,15 @@
 
         eval "${_DOWNLOADER}"  # execute downloadhelper command
         if [ "$(find "$DLDIR" -printf . | wc -c)" -gt 1 ]; then
+
+          # Delete incomplete/corrupted downloaded files, if any: Not recursive, as we don't expect any dirs to exist within $DLDIR.
+
+          # When Aria2c downloads a file and detects it is corrupted, its filename won't be renamed back to its actual name,
+          # preserving .aria2 file extension, which also indicates when a file hasn't been completely downloaded.
+          for x in *.aria2; do
+            rm -f "$x" "${x%.aria2}"
+          done
+
           # Move all packages to the apt install directory by force to ensure
           # already existing debs which may be incomplete are replaced
           find . -type f \( -name '*.deb' -o -name '*.ddeb' \) -execdir mv -ft "$APTCACHE" {} \+
@@ -592,7 +600,7 @@
   fi
 
   # different problem resolving for aptitude
-  if [ -z "$DOWNLOAD_ONLY" ] || [ "$_APTMGR" == "aptitude" ]; then
+  if [ -z "$DOWNLOAD_ONLY" ] || [ "$(basename "${_APTMGR}")" == 'aptitude' ]; then
     "${_APTMGR}" "${APT_SCRIPT_WARNING[@]}" "$@"
   fi
 
@@ -621,7 +629,7 @@
   fi
 
   # different problem resolving for aptitude
-  if [ "$_APTMGR" == "aptitude" ]; then
+  if [ "$(basename "${_APTMGR}")" == 'aptitude' ]; then
     "${_APTMGR}" "$@"
   fi
 
diff -Nru apt-fast-1.9.10/debian/changelog apt-fast-1.9.11/debian/changelog
--- apt-fast-1.9.10/debian/changelog	2020-10-18 20:24:53.000000000 +0000
+++ apt-fast-1.9.11/debian/changelog	2021-04-26 19:54:50.000000000 +0000
@@ -1,8 +1,17 @@
-apt-fast (1.9.10-1~ubuntu12.04.1) precise; urgency=low
+apt-fast (1.9.11-1~ubuntu12.04.1) precise; urgency=low
 
   * Auto build.
 
- -- Dominique Lasserre <lasserre.d@googlemail.com>  Sun, 18 Oct 2020 20:24:53 +0000
+ -- Dominique Lasserre <lasserre.d@googlemail.com>  Mon, 26 Apr 2021 19:54:50 +0000
+
+apt-fast (1.9.11-1) unstable; urgency=medium
+
+  * New upstream release.
+    - Fix when $_APTMGR is full path. Closes #188
+    - Delete failed downloads. Closes #184
+  * Bump standards version to 4.5.1.
+
+ -- Dominique Lasserre <lasserre.d@gmail.com>  Mon, 26 Apr 2021 21:43:29 +0200
 
 apt-fast (1.9.10-1) unstable; urgency=medium
 
diff -Nru apt-fast-1.9.10/debian/control apt-fast-1.9.11/debian/control
--- apt-fast-1.9.10/debian/control	2020-10-18 20:24:53.000000000 +0000
+++ apt-fast-1.9.11/debian/control	2021-04-26 19:54:50.000000000 +0000
@@ -4,7 +4,7 @@
 Maintainer: Dominique Lasserre <lasserre.d@gmail.com>
 Uploaders: Saikrishna Arcot <saiarcot895@gmail.com>
 Build-Depends: debhelper (>= 9.0.0), bash-completion, po-debconf
-Standards-Version: 4.5.0
+Standards-Version: 4.5.1
 Homepage: https://github.com/ilikenwf/apt-fast.git
 Vcs-Git: https://code.launchpad.net/~apt-fast/apt-fast/debian
 Vcs-Browser: https://bazaar.launchpad.net/~apt-fast/apt-fast/debian
diff -Nru apt-fast-1.9.10/debian/git-build-recipe.manifest apt-fast-1.9.11/debian/git-build-recipe.manifest
--- apt-fast-1.9.10/debian/git-build-recipe.manifest	2020-10-18 20:24:53.000000000 +0000
+++ apt-fast-1.9.11/debian/git-build-recipe.manifest	2021-04-26 19:54:50.000000000 +0000
@@ -1,2 +1,2 @@
 # git-build-recipe format 0.4 deb-version {debversion}
-lp:apt-fast git-commit:8e7e44fa8d3167b476cf96dacef6d4f311277553
+lp:apt-fast git-commit:c51e0ff75df848d9a9210dc6766ff2e224de486b