diff --git a/install/app.yaml b/install/app.yaml
index 3dda181..d473493 100644
--- a/install/app.yaml
+++ b/install/app.yaml
@@ -1,3 +1,5 @@
 ---
+- name: Remove existing app if present
+  file: path=/Applications/$app_name.app state=absent
 - name: Copy $app_name_pretty app to Applications directory
   command: cp -R $app_name.app /Applications chdir=$downloads
\ No newline at end of file
diff --git a/install/dmg.yaml b/install/dmg.yaml
index c9ea681..d1ee919 100644
--- a/install/dmg.yaml
+++ b/install/dmg.yaml
@@ -3,11 +3,14 @@
   get_url: url=$app_url dest=$downloads/$app_name.dmg
 - name: Mount $app_name_pretty image
   command: hdiutil attach $app_name.dmg chdir=$downloads
+- name: Remove existing app if present
+  file: path=/Applications/$app_name.app state=absent
+  when_string: $installer_type == 'app'
 - name: Copy $app_name_pretty app to Applications directory
-  command: cp -R ${mount_path}$app_name.app /Applications
+  command: cp -R $mount_path$app_name.app /Applications
   when_string: $installer_type == 'app'
 - name: Install $app_name pkg
-  command: sudo installer -package ${mount_path}$app_name.pkg -target $install_target
+  command: sudo installer -package $mount_path$app_name.pkg -target $install_target
   when_string: $installer_type == 'pkg'
 - name: Unmount $app_name_pretty image
   command: hdiutil detach $mount_path
\ No newline at end of file
diff --git a/install/pkg.yaml b/install/pkg.yaml
index b0420d8..20ad179 100644
--- a/install/pkg.yaml
+++ b/install/pkg.yaml
@@ -1,2 +1,3 @@
+---
 - name: Install $app_name pkg
   command: sudo installer -package $app_name.pkg -target $install_target
\ No newline at end of file
diff --git a/install/tar.yaml b/install/tar.yaml
index 2180631..530920b 100644
--- a/install/tar.yaml
+++ b/install/tar.yaml
@@ -1,10 +1,15 @@
 ---
 - name: Download $app_name_pretty
-  get_url: url=$app_url dest=${downloads}/$app_name.tar
+  get_url: url=$app_url dest=$downloads/$app_name.tar
+- name: Remove existing extraction directory if present
+  file: path=$downloads$app_name/ state=absent
 - name: Create an extraction directory
-  file: path=${downloads}${app_name}/ state=directory
+  file: path=$downloads$app_name/ state=directory
 - name: Extract $app_name_pretty tarball
   command: tar xf $app_name.tar -C $app_name/ chdir=$downloads
+- name: Remove existing app if present
+  file: path=/Applications/$app_name.app state=absent
+  when_string: $installer_type == 'app'
 - name: Copy $app_name_pretty app to Applications directory
   command: cp -R $app_name/$app_name.app /Applications chdir=$downloads
   when_string: $installer_type == 'app'
@@ -12,4 +17,4 @@
   command: sudo installer -package $app_name/$app_name.pkg -target $install_target chdir=$downloads
   when_string: $installer_type == 'pkg'
 - name: Remove extraction directory
-  file: path=${downloads}${app_name}/ state=absent
\ No newline at end of file
+  file: path=$downloads$app_name/ state=absent
\ No newline at end of file
diff --git a/install/zip.yaml b/install/zip.yaml
index 2783dca..f88e404 100644
--- a/install/zip.yaml
+++ b/install/zip.yaml
@@ -1,10 +1,15 @@
 ---
 - name: Download $app_name_pretty
-  get_url: url=$app_url dest=${downloads}/$app_name.zip
+  get_url: url=$app_url dest=$downloads/$app_name.zip
+- name: Remove existing extraction directory if present
+  file: path=$downloads$app_name/ state=absent
 - name: Create an extraction directory
-  file: path=${downloads}${app_name}/ state=directory
+  file: path=$downloads$app_name/ state=directory
 - name: Extract $app_name_pretty zip archive
   command: unzip $app_name.zip -d $app_name/ chdir=$downloads
+- name: Remove existing app if present
+  file: path=/Applications/$app_name.app state=absent
+  when_string: $installer_type == 'app'
 - name: Copy $app_name_pretty app to Applications directory
   command: cp -R $app_name/$app_name.app /Applications chdir=$downloads
   when_string: $installer_type == 'app'
@@ -12,4 +17,4 @@
   command: sudo installer -package $app_name/$app_name.pkg -target $install_target chdir=$downloads
   when_string: $installer_type == 'pkg'
 - name: Remove extraction directory
-  file: path=${downloads}${app_name}/ state=absent
\ No newline at end of file
+  file: path=$downloads$app_name/ state=absent
\ No newline at end of file