diff --git a/app/build.gradle b/app/build.gradle
index dadae90f..b0cacb82 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -45,7 +45,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:4.6.5'
+    implementation 'com.simplemobiletools:commons:4.6.6'
     implementation 'joda-time:joda-time:2.9.9'
     implementation 'com.facebook.stetho:stetho:1.5.0'
     implementation 'com.android.support.constraint:constraint-layout:1.1.2'
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/String.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/String.kt
deleted file mode 100644
index b76c81b7..00000000
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/extensions/String.kt
+++ /dev/null
@@ -1,6 +0,0 @@
-package com.simplemobiletools.contacts.extensions
-
-import com.simplemobiletools.contacts.helpers.normalizeRegex
-import java.text.Normalizer
-
-fun String.normalizeString() = Normalizer.normalize(this, Normalizer.Form.NFD).replace(normalizeRegex, "")
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
index 1409077e..fea5f0b4 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/fragments/MyViewPagerFragment.kt
@@ -236,32 +236,35 @@ abstract class MyViewPagerFragment(context: Context, attributeSet: AttributeSet)
     }
 
     fun onSearchQueryChanged(text: String) {
+        val shouldNormalize = text.normalizeString() == text
         (fragment_list.adapter as? ContactsAdapter)?.apply {
             val filtered = contactsIgnoringSearch.filter {
-                it.getFullName().contains(text, true) ||
+                getProperText(it.getFullName(), shouldNormalize).contains(text, true) ||
                         it.phoneNumbers.any { it.value.contains(text, true) } ||
                         it.emails.any { it.value.contains(text, true) } ||
-                        it.addresses.any { it.value.contains(text, true) } ||
-                        it.notes.contains(text, true) ||
-                        it.organization.company.contains(text, true) ||
-                        it.organization.jobPosition.contains(text, true) ||
+                        it.addresses.any { getProperText(it.value, shouldNormalize).contains(text, true) } ||
+                        getProperText(it.notes, shouldNormalize).contains(text, true) ||
+                        getProperText(it.organization.company, shouldNormalize).contains(text, true) ||
+                        getProperText(it.organization.jobPosition, shouldNormalize).contains(text, true) ||
                         it.websites.any { it.contains(text, true) }
             } as ArrayList
 
             Contact.sorting = config.sorting
             Contact.startWithSurname = config.startNameWithSurname
             filtered.sort()
-            filtered.sortBy { !it.getFullName().startsWith(text, true) }
+            filtered.sortBy { !getProperText(it.getFullName(), shouldNormalize).startsWith(text, true) }
 
             if (filtered.isEmpty() && this@MyViewPagerFragment is FavoritesFragment) {
                 fragment_placeholder.text = activity.getString(R.string.no_items_found)
             }
 
             fragment_placeholder.beVisibleIf(filtered.isEmpty())
-            updateItems(filtered, text)
+            updateItems(filtered, text.normalizeString())
         }
     }
 
+    private fun getProperText(text: String, shouldNormalize: Boolean) = if (shouldNormalize) text.normalizeString() else text
+
     fun onSearchOpened() {
         contactsIgnoringSearch = (fragment_list?.adapter as? ContactsAdapter)?.contactItems ?: ArrayList()
     }
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
index 6e3c1608..0ee6468e 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/helpers/Constants.kt
@@ -122,5 +122,3 @@ val localAccountTypes = arrayListOf("vnd.sec.contact.phone",
         "com.android.huawei.phone",
         "Local Phone Account"
 )
-
-val normalizeRegex = "\\p{InCombiningDiacriticalMarks}+".toRegex()
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/models/Contact.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/models/Contact.kt
index 06cd24d4..e8229f51 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/models/Contact.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/models/Contact.kt
@@ -1,10 +1,10 @@
 package com.simplemobiletools.contacts.models
 
 import android.graphics.Bitmap
+import com.simplemobiletools.commons.extensions.normalizeString
 import com.simplemobiletools.commons.helpers.SORT_BY_FIRST_NAME
 import com.simplemobiletools.commons.helpers.SORT_BY_MIDDLE_NAME
 import com.simplemobiletools.commons.helpers.SORT_DESCENDING
-import com.simplemobiletools.contacts.extensions.normalizeString
 import com.simplemobiletools.contacts.helpers.PHONE_NUMBER_PATTERN
 
 data class Contact(val id: Int, var prefix: String, var firstName: String, var middleName: String, var surname: String, var suffix: String, var photoUri: String,