diff --git a/kernel/kcov.c b/kernel/kcov.c
index ef0209d18878..5813e9375a93 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -156,7 +156,7 @@ void notrace __sanitizer_cov_trace_cmp2(u16 arg1, u16 arg2)
 }
 EXPORT_SYMBOL(__sanitizer_cov_trace_cmp2);
 
-void notrace __sanitizer_cov_trace_cmp4(u16 arg1, u16 arg2)
+void notrace __sanitizer_cov_trace_cmp4(u32 arg1, u32 arg2)
 {
 	write_comp_data(KCOV_CMP_SIZE(2), arg1, arg2, _RET_IP_);
 }
@@ -182,7 +182,7 @@ void notrace __sanitizer_cov_trace_const_cmp2(u16 arg1, u16 arg2)
 }
 EXPORT_SYMBOL(__sanitizer_cov_trace_const_cmp2);
 
-void notrace __sanitizer_cov_trace_const_cmp4(u16 arg1, u16 arg2)
+void notrace __sanitizer_cov_trace_const_cmp4(u32 arg1, u32 arg2)
 {
 	write_comp_data(KCOV_CMP_SIZE(2) | KCOV_CMP_CONST, arg1, arg2,
 			_RET_IP_);