diff --git a/SPrint/staticPrint.h b/SPrint/staticPrint.h
index ec7fd0a..4b40516 100644
--- a/SPrint/staticPrint.h
+++ b/SPrint/staticPrint.h
@@ -29,12 +29,12 @@ static inline void SPrint_P(const char *data)
 		while (!(UCSRA & (1 << UDRE)))
 			;
 
-		UDR = c;
+		UDR = ch;
 #else
 		while (!(UCSR0A & (1 << UDRE0)))
 			;
 
-		UDR0 = c;
+		UDR0 = ch;
 #endif
     }
 }