diff --git a/usermods/mpu6050_imu/usermod_mpu6050_imu.h b/usermods/mpu6050_imu/usermod_mpu6050_imu.h
index 4ce51c433..283c986e0 100644
--- a/usermods/mpu6050_imu/usermod_mpu6050_imu.h
+++ b/usermods/mpu6050_imu/usermod_mpu6050_imu.h
@@ -138,7 +138,7 @@ class MPU6050Driver : public Usermod {
         // (if it's going to break, usually the code will be 1)
         DEBUG_PRINT(F("DMP Initialization failed (code "));
         DEBUG_PRINT(devStatus);
-        DEBUG_PRINTLN(F(")"));
+        DEBUG_PRINTLN(")");
       }
     }
 
diff --git a/wled00/e131.cpp b/wled00/e131.cpp
index cce5233ae..0c4598235 100644
--- a/wled00/e131.cpp
+++ b/wled00/e131.cpp
@@ -96,11 +96,11 @@ void handleE131Packet(e131_packet_t* p, IPAddress clientIP, byte protocol){
 
   if (e131SkipOutOfSequence)
     if (seq < e131LastSequenceNumber[previousUniverses] && seq > 20 && e131LastSequenceNumber[previousUniverses] < 250){
-      DEBUG_PRINT("skipping E1.31 frame (last seq=");
+      DEBUG_PRINT(F("skipping E1.31 frame (last seq="));
       DEBUG_PRINT(e131LastSequenceNumber[previousUniverses]);
-      DEBUG_PRINT(", current seq=");
+      DEBUG_PRINT(F(", current seq="));
       DEBUG_PRINT(seq);
-      DEBUG_PRINT(", universe=");
+      DEBUG_PRINT(F(", universe="));
       DEBUG_PRINT(uni);
       DEBUG_PRINTLN(")");
       return;
@@ -444,7 +444,7 @@ void sendArtnetPollReply(ArtPollReply *reply, IPAddress ipAddress, uint16_t port
   reply->reply_sub_sw = (uint8_t)((portAddress >> 4) & 0x000F);
   reply->reply_sw_out[0] = (uint8_t)(portAddress & 0x000F);
 
-  sprintf((char *)reply->reply_node_report, "#0001 [%04u] OK - WLED v" TOSTRING(WLED_VERSION), pollReplyCount);
+  snprintf_P((char *)reply->reply_node_report, sizeof(reply->reply_node_report)-1, PSTR("#0001 [%04u] OK - WLED v" TOSTRING(WLED_VERSION)), pollReplyCount);
   
   if (pollReplyCount < 9999) {
     pollReplyCount++;
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index e41176f41..a5110106b 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -569,7 +569,7 @@ bool WLED::initEthernet()
   } else {
     DEBUG_PRINT(F("initE: Failing due to invalid eth_clk_mode ("));
     DEBUG_PRINT(es.eth_clk_mode);
-    DEBUG_PRINTLN(F(")"));
+    DEBUG_PRINTLN(")");
     return false;
   }