diff --git a/c_os/devices/CGA.cc b/c_os/devices/CGA.cc
index a424efa..61a9e99 100755
--- a/c_os/devices/CGA.cc
+++ b/c_os/devices/CGA.cc
@@ -187,7 +187,7 @@ unsigned char CGA::attribute(CGA::color bg, CGA::color fg, bool blink) {
 
     /* Hier muess Code eingefuegt werden */
 
-    return static_cast<int>(blink) << 7  // B0000000
-         | (bg & 0x7) << 4               // 0HHH0000 (Hintergrund)
-         | (fg & 0xF);                   // 0000VVVV (Vordergrund)
+    return (int)blink << 7  // B0000000
+         | (bg & 0x7) << 4  // 0HHH0000 (Hintergrund)
+         | (fg & 0xF);      // 0000VVVV (Vordergrund)
 }
diff --git a/c_os/kernel/interrupts/IntDispatcher.cc b/c_os/kernel/interrupts/IntDispatcher.cc
index 26f2d22..af807b2 100755
--- a/c_os/kernel/interrupts/IntDispatcher.cc
+++ b/c_os/kernel/interrupts/IntDispatcher.cc
@@ -63,12 +63,12 @@ int IntDispatcher::assign(unsigned int vector, ISR& isr) {
     /* hier muss Code eingefuegt werden */
 
     if (vector >= this->size) {
-        if constexpr (DEBUG) kout << "Invalid vector number when assigning" << endl;
+        if constexpr (DEBUG) { kout << "Invalid vector number when assigning" << endl; }
         return -1;
     }
 
     this->map[vector] = &isr;
-    if constexpr (DEBUG) kout << "Registered ISR for vector " << dec << vector << endl;
+    if constexpr (DEBUG) { kout << "Registered ISR for vector " << dec << vector << endl; }
 
     return 0;
 }