diff --git a/src/kvirc/kernel/kvi_main.cpp b/src/kvirc/kernel/kvi_main.cpp
index 05fed67..335ac6a 100644
--- a/src/kvirc/kernel/kvi_main.cpp
+++ b/src/kvirc/kernel/kvi_main.cpp
@@ -83,7 +83,7 @@ int parseArgs(ParseArgs * a)
 #ifdef COMPILE_ON_WINDOWS
 			MessageBox(0,szMessage.local8Bit().data(),"KVIrc",0);
 #else
-			debug(szMessage);
+			debug("%s", szMessage);
 #endif
 
 			return KVI_ARGS_RETCODE_STOP;
@@ -131,7 +131,7 @@ int parseArgs(ParseArgs * a)
 #ifdef COMPILE_ON_WINDOWS
 			MessageBox(0,szMessage.local8Bit().data(),"KVIrc",0);
 #else
-			debug(szMessage);
+			debug("%s", szMessage);
 #endif
 			return KVI_ARGS_RETCODE_STOP;
 		}
@@ -385,7 +385,7 @@ int main(int argc,char ** argv)
 				if(a.bShowPopup)
 					TQMessageBox::information(0,"Session - KVIrc",tmp.ptr(),TQMessageBox::Ok);
 				else
-					debug(tmp.ptr());
+					debug("%s", tmp.ptr());
 			}
 			delete theApp;
 			return 0;