diff --git a/src/mesh/LR11x0Interface.cpp b/src/mesh/LR11x0Interface.cpp
index a8a2780ed..7c73b56cd 100644
--- a/src/mesh/LR11x0Interface.cpp
+++ b/src/mesh/LR11x0Interface.cpp
@@ -170,7 +170,7 @@ template <typename T> bool LR11x0Interface<T>::reconfigure()
     if (err != RADIOLIB_ERR_NONE)
         RECORD_CRITICALERROR(meshtastic_CriticalErrorCode_INVALID_RADIO_SETTING);
 
-    err = lora.setCodingRate(cr);
+    err = lora.setCodingRate(cr, cr != 7); // use long interleaving except if CR is 4/7 which doesn't support it
     if (err != RADIOLIB_ERR_NONE)
         RECORD_CRITICALERROR(meshtastic_CriticalErrorCode_INVALID_RADIO_SETTING);
 
diff --git a/src/mesh/SX128xInterface.cpp b/src/mesh/SX128xInterface.cpp
index 3ab63df3d..9fcedfe49 100644
--- a/src/mesh/SX128xInterface.cpp
+++ b/src/mesh/SX128xInterface.cpp
@@ -126,7 +126,7 @@ template <typename T> bool SX128xInterface<T>::reconfigure()
     if (err != RADIOLIB_ERR_NONE)
         RECORD_CRITICALERROR(meshtastic_CriticalErrorCode_INVALID_RADIO_SETTING);
 
-    err = lora.setCodingRate(cr);
+    err = lora.setCodingRate(cr, cr != 7); // use long interleaving except if CR is 4/7 which doesn't support it
     if (err != RADIOLIB_ERR_NONE)
         RECORD_CRITICALERROR(meshtastic_CriticalErrorCode_INVALID_RADIO_SETTING);