diff --git a/applications/main/bad_usb/bad_usb_script.c b/applications/main/bad_usb/bad_usb_script.c
index 0a4e90257..9bb5f465e 100644
--- a/applications/main/bad_usb/bad_usb_script.c
+++ b/applications/main/bad_usb/bad_usb_script.c
@@ -472,10 +472,10 @@ static int32_t ducky_script_execute_next(BadUsbScript* bad_usb, File* script_fil
                         snprintf(
                             bad_usb->st.error, sizeof(bad_usb->st.error), "Forbidden empty line");
                         FURI_LOG_E(
-                            WORKER_TAG, "Forbidden empty line at line %lu", bad_usb->st.line_cur);
+                            WORKER_TAG, "Forbidden empty line at line %u", bad_usb->st.line_cur);
                     } else {
                         FURI_LOG_E(
-                            WORKER_TAG, "Unknown command at line %lu", bad_usb->st.line_cur);
+                            WORKER_TAG, "Unknown command at line %u", bad_usb->st.line_cur);
                     }
                     return SCRIPT_STATE_ERROR;
                 } else {
diff --git a/applications/plugins/bpmtapper/bpm.c b/applications/plugins/bpmtapper/bpm.c
index d1f7d3fd6..cee83a6a4 100644
--- a/applications/plugins/bpmtapper/bpm.c
+++ b/applications/plugins/bpmtapper/bpm.c
@@ -146,7 +146,7 @@ static void render_callback(Canvas* const canvas, void* ctx) {
     canvas_draw_str_aligned(canvas, 70, 10, AlignLeft, AlignBottom, furi_string_get_cstr(tempStr));
     furi_string_reset(tempStr);
 
-    furi_string_printf(tempStr, "Interval: %dms", bpm_state->interval);
+    furi_string_printf(tempStr, "Interval: %ldms", bpm_state->interval);
     canvas_draw_str_aligned(canvas, 5, 20, AlignLeft, AlignBottom, furi_string_get_cstr(tempStr));
     furi_string_reset(tempStr);
 
diff --git a/applications/plugins/chess/fast_chess.c b/applications/plugins/chess/fast_chess.c
index c09b912b0..427a403ab 100644
--- a/applications/plugins/chess/fast_chess.c
+++ b/applications/plugins/chess/fast_chess.c
@@ -269,7 +269,7 @@ int toMinFen(char* fen, Position* position) {
             emptyCount++;
         } else {
             if(emptyCount != 0) {
-                snprintf(&fen[charCount++], 2, "%d", emptyCount);
+                snprintf(&fen[charCount++], 2, "%ls", emptyCount);
                 emptyCount = 0;
             }
             fen[charCount++] = bb2char(bb, &(position->board));
@@ -278,7 +278,7 @@ int toMinFen(char* fen, Position* position) {
         file++;
         if(file > 7) {
             if(emptyCount != 0) {
-                snprintf(&fen[charCount++], 2, "%d", emptyCount);
+                snprintf(&fen[charCount++], 2, "%ls", emptyCount);
                 emptyCount = 0;
             }
             file = 0;
@@ -2357,7 +2357,7 @@ Node iterativeDeepeningAlphaBeta(Position* position, char depth, int alpha, int
         int score = iterativeDeepeningAlphaBeta(&newPosition, depth - 1, alpha, beta, FALSE).score;
 
         if(verbose) {
-            printf("%.2f\n", score / 100.00);
+            printf("%.2f\n", (double) score / (double) 100.00);
             fflush(stdout);
         }
 
@@ -2850,8 +2850,8 @@ Move getAIMove(Game* game, int depth) {
     printf(
         " in %d seconds [%+.2f, %+.2f]\n",
         (int)(endTime - startTime),
-        staticEvaluation(&game->position) / 100.0,
-        node.score / 100.0);
+        (double) staticEvaluation(&game->position) / (double) 100.0,
+        (double) node.score / (double) 100.0);
     fflush(stdout);
 
     return node.move;
diff --git a/applications/plugins/tanksgame/tanks_game.c b/applications/plugins/tanksgame/tanks_game.c
index 632b4ecc3..3d67dfbb0 100644
--- a/applications/plugins/tanksgame/tanks_game.c
+++ b/applications/plugins/tanksgame/tanks_game.c
@@ -1236,7 +1236,7 @@ int32_t tanks_game_app(void* p) {
                                 tanks_state->menu_state = MenuStateCooperativeServerMode;
                             }
                         } else if(tanks_state->state == GameStateCooperativeClient) {
-                            FuriString* goesUp;
+                            FuriString* goesUp = NULL;
                             char arr[2];
                             arr[0] = GoesUp;
                             arr[1] = 0;
@@ -1260,7 +1260,7 @@ int32_t tanks_game_app(void* p) {
                                 tanks_state->menu_state = MenuStateCooperativeClientMode;
                             }
                         } else if(tanks_state->state == GameStateCooperativeClient) {
-                            FuriString* goesDown;
+                            FuriString* goesDown = NULL;
                             char arr[2];
                             arr[0] = GoesDown;
                             arr[1] = 0;
@@ -1277,7 +1277,7 @@ int32_t tanks_game_app(void* p) {
                         break;
                     case InputKeyRight:
                         if(tanks_state->state == GameStateCooperativeClient) {
-                            FuriString* goesRight;
+                            FuriString* goesRight = NULL;
                             char arr[2];
                             arr[0] = GoesRight;
                             arr[1] = 0;
@@ -1294,7 +1294,7 @@ int32_t tanks_game_app(void* p) {
                         break;
                     case InputKeyLeft:
                         if(tanks_state->state == GameStateCooperativeClient) {
-                            FuriString* goesLeft;
+                            FuriString* goesLeft = NULL;
                             char arr[2];
                             arr[0] = GoesLeft;
                             arr[1] = 0;
@@ -1327,7 +1327,7 @@ int32_t tanks_game_app(void* p) {
                         } else if(tanks_state->state == GameStateGameOver) {
                             tanks_game_init_game(tanks_state, tanks_state->state);
                         } else if(tanks_state->state == GameStateCooperativeClient) {
-                            FuriString* shoots;
+                            FuriString* shoots = NULL;
                             char arr[2];
                             arr[0] = Shoots;
                             arr[1] = 0;
@@ -1385,7 +1385,7 @@ int32_t tanks_game_app(void* p) {
 
                     tanks_game_process_game_step(tanks_state);
 
-                    FuriString* serializedData;
+                    FuriString* serializedData = NULL;
                     unsigned char* data = tanks_game_serialize(tanks_state);
                     char arr[11 * 16 + 1];