diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/aps/openAPSSMB/DetermineBasalAdapterSMBJS.java b/app/src/main/java/info/nightscout/androidaps/plugins/aps/openAPSSMB/DetermineBasalAdapterSMBJS.java
index 058ae596bd..0331ea6146 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/aps/openAPSSMB/DetermineBasalAdapterSMBJS.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/aps/openAPSSMB/DetermineBasalAdapterSMBJS.java
@@ -282,7 +282,7 @@ public class DetermineBasalAdapterSMBJS {
         mProfile.put("A52_risk_enable", SMBDefaults.A52_risk_enable);
 
         boolean smbEnabled = sp.getBoolean(resourceHelper.gs(R.string.key_use_smb), false);
-        mProfile.put("SMBInterval", sp.getInt("key_smbinterval", SMBDefaults.SMBInterval));
+        mProfile.put("SMBInterval", sp.getInt(R.string.key_smbinterval, SMBDefaults.SMBInterval));
         mProfile.put("enableSMB_with_COB", smbEnabled && sp.getBoolean(R.string.key_enableSMB_with_COB, false));
         mProfile.put("enableSMB_with_temptarget", smbEnabled && sp.getBoolean(R.string.key_enableSMB_with_temptarget, false));
         mProfile.put("allowSMB_with_high_temptarget", smbEnabled && sp.getBoolean(R.string.key_allowSMB_with_high_temptarget, false));