diff --git a/reactos/include/psdk/intrin_x86.h b/reactos/include/psdk/intrin_x86.h
index 58c9d401b82..a13a007b09d 100644
--- a/reactos/include/psdk/intrin_x86.h
+++ b/reactos/include/psdk/intrin_x86.h
@@ -681,9 +681,9 @@ static __inline__ __attribute__((always_inline)) unsigned short _rotl16(const un
 }
 
 #ifndef __MSVCRT__
-static __inline__ __attribute__((always_inline)) unsigned short _rotl(const unsigned long value, const unsigned char shift)
+static __inline__ __attribute__((always_inline)) unsigned long _rotl(const unsigned long value, const unsigned char shift)
 {
-	unsigned short retval;
+	unsigned long retval;
 	__asm__("roll %b[shift], %k[retval]" : [retval] "=rm" (retval) : "[retval]" (value), [shift] "Nc" (shift));
 	return retval;
 }