diff --git a/lib/private/Repair/RepairMimeTypes.php b/lib/private/Repair/RepairMimeTypes.php
index 86427af4c4..fbf446a681 100644
--- a/lib/private/Repair/RepairMimeTypes.php
+++ b/lib/private/Repair/RepairMimeTypes.php
@@ -308,6 +308,16 @@ class RepairMimeTypes implements IRepairStep {
 		self::updateMimetypes($updatedMimetypes);
 	}
 
+	private function introduceWindowsProgramTypes() {
+		$updatedMimetypes = array(
+			'htaccess' => 'text/plain',
+			'bat' => 'application/x-msdos-program',
+			'cmd' => 'application/cmd',
+		);
+
+		$this->updateMimetypes($updatedMimetypes);
+	}
+
 	/**
 	 * Fix mime types
 	 */
@@ -377,5 +387,9 @@ class RepairMimeTypes implements IRepairStep {
 				$out->info('Fixed richdocuments additional office mime types');
 			}
 		}
+
+		if (version_compare($ocVersionFromBeforeUpdate, '12.0.0.13', '<') && $this->introduceWindowsProgramTypes()) {
+			$out->info('Fixed windows program mime types');
+		}
 	}
 }
diff --git a/resources/config/mimetypemapping.dist.json b/resources/config/mimetypemapping.dist.json
index 99638b6c02..2b187a6ac8 100644
--- a/resources/config/mimetypemapping.dist.json
+++ b/resources/config/mimetypemapping.dist.json
@@ -1,7 +1,7 @@
 {
-	"_comment" : "Array mapping file extensions to mimetypes (in alphabetical order]",
+	"_comment" : "Array mapping file extensions to mimetypes (in alphabetical order)",
 	"_comment2": "The first index in the mime type array is the assumed correct mimetype",
-	"_comment3": "and the second (if present] is a secure alternative",
+	"_comment3": "and the second (if present) is a secure alternative",
 
 	"_comment4": "Any changes you make here will be overwritten on an update of Nextcloud",
 	"_comment5": "Put any custom mappings in a new file mimetypemapping.json in the config/ folder of Nextcloud",
@@ -15,6 +15,7 @@
 	"arw": ["image/x-dcraw"],
 	"avi": ["video/x-msvideo"],
 	"bash": ["text/x-shellscript"],
+	"bat": ["application/x-msdos-program"],
 	"blend": ["application/x-blender"],
 	"bin": ["application/x-bin"],
 	"bmp": ["image/bmp"],
@@ -29,6 +30,7 @@
 	"cc": ["text/x-c"],
 	"cdr": ["application/coreldraw"],
 	"class": ["application/java"],
+	"cmd": ["application/cmd"],
 	"cnf": ["text/plain"],
 	"conf": ["text/plain"],
 	"cpp": ["text/x-c++src"],
@@ -61,6 +63,7 @@
 	"h": ["text/x-h"],
 	"hh": ["text/x-h"],
 	"hpp": ["text/x-h"],
+	"htaccess": ["text/plain"],
 	"html": ["text/html", "text/plain"],
 	"htm": ["text/html", "text/plain"],
 	"ical": ["text/calendar"],
diff --git a/version.php b/version.php
index 3d8abb5f2f..a556a9f729 100644
--- a/version.php
+++ b/version.php
@@ -26,7 +26,7 @@
 // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
 // when updating major/minor version number.
 
-$OC_Version = array(12, 0, 0, 12);
+$OC_Version = array(12, 0, 0, 13);
 
 // The human readable string
 $OC_VersionString = '12.0 alpha';