diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSSMB/DetermineBasalAdapterSMBJS.java b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSSMB/DetermineBasalAdapterSMBJS.java
index a05b5aae45..311aa12bd2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSSMB/DetermineBasalAdapterSMBJS.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSSMB/DetermineBasalAdapterSMBJS.java
@@ -257,7 +257,7 @@ public class DetermineBasalAdapterSMBJS {
         mProfile.put("enableSMB_after_carbs", SP.getBoolean(R.string.key_enableSMB_after_carbs, false) && advancedFiltering);
         mProfile.put("maxSMBBasalMinutes", SP.getInt("key_smbmaxminutes", SMBDefaults.maxSMBBasalMinutes));
         mProfile.put("maxUAMSMBBasalMinutes", SP.getInt("key_uamsmbmaxminutes", SMBDefaults.maxUAMSMBBasalMinutes));
-        mProfile.put("bolus_increment", SP.getDouble("key_bolus_increment", SMBDefaults.bolus_increment));
+        mProfile.put("bolus_increment", SP.getDouble("bolus_increment", SMBDefaults.bolus_increment));
         mProfile.put("carbsReqThreshold", SMBDefaults.carbsReqThreshold);
 
         mProfile.put("current_basal", basalrate);
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f675c3b613..11960880b5 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -804,6 +804,7 @@
     <string name="smbmaxminutes_summary">Max minutes of basal to limit SMB to</string>
     <string name="uamsmbmaxminutes" translatable="false">45 60 75 90 105 120</string>
     <string name="uamsmbmaxminutes_summary">Max minutes of basal to limit SMB to for UAM</string>
+    <string name="bolus_increment" translatable="false">0.1</string>
     <string name="bolus_increment_summary">Minimum bolus that can be delivered as an SMB</string>
     <string name="unsupportedfirmware">Unsupported pump firmware</string>
     <string name="dexcomg5_xdripupload_title">Send BG data to xDrip+</string>
diff --git a/app/src/main/res/xml/pref_openapssmb.xml b/app/src/main/res/xml/pref_openapssmb.xml
index 87bb5bb5ce..d74c9ef9aa 100644
--- a/app/src/main/res/xml/pref_openapssmb.xml
+++ b/app/src/main/res/xml/pref_openapssmb.xml
@@ -95,15 +95,14 @@
 
         <com.andreabaccega.widget.ValidatingEditTextPreference
                 android:defaultValue="0.1"
-                android:digits="0123456789."
-                android:inputType="number"
+                android:inputType="numberDecimal"
+                android:key="@string/bolus_increment"
                 android:maxLines="20"
-                android:key="key_bolus_increment"
                 android:selectAllOnFocus="true"
                 android:singleLine="true"
                 android:title="@string/bolus_increment_summary"
-                validate:maxNumber='1'
-                validate:minNumber='0'
+                validate:floatmaxNumber="1.0"
+                validate:floatminNumber="0.05"
                 validate:testType="floatNumericRange" />