diff --git a/libs/k5_uv_system/system.hpp b/libs/k5_uv_system/system.hpp
index 55be305..d2527ae 100644
--- a/libs/k5_uv_system/system.hpp
+++ b/libs/k5_uv_system/system.hpp
@@ -32,8 +32,8 @@ namespace System
    };
 
    void JumpToOrginalFw();
-    void JumpToOrginalVector(unsigned int u32IrqSource);
-    void CopyDataSection();
+   void JumpToOrginalVector(unsigned int u32IrqSource);
+   void CopyDataSection();
 
    struct TOrgFunctions
    {
diff --git a/src/rssi_printer/main.cpp b/src/rssi_printer/main.cpp
index 01cd441..c5b1219 100644
--- a/src/rssi_printer/main.cpp
+++ b/src/rssi_printer/main.cpp
@@ -30,4 +30,5 @@ extern "C" void MultiIrq_Handler(unsigned int u32IrqSource)
    {
       CRssiPrinter::Handle(Fw, FwData);
    }
+    System::JumpToOrginalVector(u32IrqSource);
 }
\ No newline at end of file
diff --git a/src/rssi_sbar/main.cpp b/src/rssi_sbar/main.cpp
index 3aa6303..8648292 100644
--- a/src/rssi_sbar/main.cpp
+++ b/src/rssi_sbar/main.cpp
@@ -15,7 +15,7 @@ int main()
    return 0;
 }
 
-extern "C" __attribute__((interrupt)) void MultiIrq_Handler(unsigned int u32IrqSource)
+extern "C" void MultiIrq_Handler(unsigned int u32IrqSource)
 {
    static bool bFirstInit = false;
    if(!bFirstInit)
diff --git a/src/spectrum/CMakeLists.txt b/src/spectrum/CMakeLists.txt
index 9d3f0c3..02ebe9d 100644
--- a/src/spectrum/CMakeLists.txt
+++ b/src/spectrum/CMakeLists.txt
@@ -2,10 +2,10 @@ set(NAME spectrum)
 set(MCU_TARGET_FILES_DIR ../mcu_target_common)
 
 add_executable(${NAME}
-		main.cpp
-		hardware/hardware.cpp
-		dp32g030.s
-		)
+        main.cpp
+        hardware/hardware.cpp
+        dp32g030.s
+)
 
 target_link_libraries(${NAME}
         orginal_fw
@@ -33,6 +33,7 @@ target_compile_options(${NAME} PRIVATE
 target_link_options(${NAME} PRIVATE
         #-print-multi-lib
         -T ${CMAKE_CURRENT_SOURCE_DIR}/memory.ld
+        -flto
         -mcpu=cortex-m0
         -mthumb
         -mfpu=auto
@@ -68,7 +69,7 @@ add_custom_command(TARGET ${NAME}
 )
 
 add_custom_target(${NAME}_flash
-	COMMAND openocd -f interface/cmsis-dap.cfg -f ${PROJECT_SOURCE_DIR}/openocd_scripts/dp32g030.cfg -c "write_image ${PROJECT_SOURCE_DIR}/cmake-build-debug/src/spectrum/spectrum.bin 0x1000" -c "halt" -c "shutdown"
+	COMMAND openocd -f interface/cmsis-dap.cfg -f ${PROJECT_SOURCE_DIR}/openocd_scripts/dp32g030.cfg -c "write_image ${PROJECT_SOURCE_DIR}/build/src/rssi_printer/rssi_printer.bin 0x1000" -c "halt" -c "shutdown"
 	DEPENDS ${NAME}
 )
 
diff --git a/src/spectrum/main.cpp b/src/spectrum/main.cpp
index a4b10e9..baf5b2c 100644
--- a/src/spectrum/main.cpp
+++ b/src/spectrum/main.cpp
@@ -6,38 +6,38 @@
 #include <string.h>
 
 Hardware::THardware Hw;
-const System::TOrgFunctions &Fw = System::OrgFunc_01_26;
-const System::TOrgData &FwData = System::OrgData_01_26;
+const System::TOrgFunctions& Fw = System::OrgFunc_01_26;
+const System::TOrgData& FwData = System::OrgData_01_26;
 
 CSpectrum<System::OrgFunc_01_26, System::OrgData_01_26> Spectrum;
 
-
-int main() {
-    System::JumpToOrginalFw();
-    return 0;
+int main()
+{
+   System::JumpToOrginalFw();
+   return 0;
 }
 
 extern "C" void MultiIrq_Handler(unsigned int u32IrqSource)
 {
+   unsigned int u32Dummy;
+   System::TCortexM0Stacking* pStackedRegs =
+      (System::TCortexM0Stacking*)(((unsigned int*)&u32Dummy) + 1);
 
-    static bool bFirstInit = false;
-    if (!bFirstInit) {
-        System::CopyDataSection();
-        __libc_init_array();
-        bFirstInit = true;
-    }
+   static bool bFirstInit = false;
+   if(!bFirstInit)
+   {
+      System::CopyDataSection();
+      __libc_init_array();
+      bFirstInit = true;
+   }
 
-    unsigned int u32Dummy;
-    System::TCortexM0Stacking *pStackedRegs =
-            (System::TCortexM0Stacking *) (((unsigned int *) &u32Dummy) + 1);
+   bool bPreventWhileKeypadPolling = pStackedRegs->LR > (unsigned int)Fw.PollKeyboard &&
+      pStackedRegs->PC < (unsigned int)Fw.PollKeyboard + 0x100; // i made a mistake and compared PC and LR, but this works fine xD
 
-    bool bPreventWhileKeypadPolling = pStackedRegs->LR > (unsigned int) Fw.PollKeyboard &&
-                                      pStackedRegs->PC < (unsigned int) Fw.PollKeyboard +
-                                                         0x100; // i made a mistake and compared PC and LR, but this works fine xD
-
-    static unsigned int u32StupidCounter = 1;
-    if (u32StupidCounter++ > 200 && !bPreventWhileKeypadPolling) {
-        Spectrum.Handle();
-    }
+   static unsigned int u32StupidCounter = 1;
+   if(u32StupidCounter++ > 200 && !bPreventWhileKeypadPolling)
+   {
+      Spectrum.Handle();
+   }
     System::JumpToOrginalVector(u32IrqSource);
 }
\ No newline at end of file
diff --git a/src/t9_texting/main.cpp b/src/t9_texting/main.cpp
index 5604f84..2a3f677 100644
--- a/src/t9_texting/main.cpp
+++ b/src/t9_texting/main.cpp
@@ -39,6 +39,5 @@ extern "C" void MultiIrq_Handler(unsigned int u32IrqSource)
    {
       T9Texting.Handle();
    }
-
     System::JumpToOrginalVector(u32IrqSource);
 }
\ No newline at end of file