diff --git a/userspace/aoc2023/day19/main.cpp b/userspace/aoc2023/day19/main.cpp
index 7a18fe0fea..d0c39d16ea 100644
--- a/userspace/aoc2023/day19/main.cpp
+++ b/userspace/aoc2023/day19/main.cpp
@@ -260,7 +260,7 @@ i64 puzzle2(FILE* fp)
 		clock_gettime(CLOCK_MONOTONIC, &time_stop);
 
 		u64 duration_us = (time_stop.tv_sec * 1'000'000 + time_stop.tv_nsec / 1'000) - (time_start.tv_sec * 1'000'000 + time_start.tv_nsec / 1'000);
-		printf("took %lu.%03lu ms, estimate %lu s\n", duration_us / 1000, duration_us % 1000, (values_sorted[0].size() - xi - 2) * duration_us / 1'000'000);
+		printf("step took %" PRIu64 ".%03" PRIu64 " ms, estimate %" PRIu64 " s\n", duration_us / 1000, duration_us % 1000, (values_sorted[0].size() - xi - 2) * duration_us / 1'000'000);
 	}
 
 	return result;
diff --git a/userspace/image/Netbpm.cpp b/userspace/image/Netbpm.cpp
index 485f295834..4d89ed7ed7 100644
--- a/userspace/image/Netbpm.cpp
+++ b/userspace/image/Netbpm.cpp
@@ -87,7 +87,7 @@ BAN::ErrorOr<BAN::UniqPtr<Image>> load_netbpm(const void* mmap_addr, size_t size
 		return BAN::Error::from_errno(EINVAL);
 	}
 
-	printf("Netbpm image %" PRIuPTR "x%" PRIuPTR "\n", *width, *height);
+	printf("Netbpm image %" PRIu64 "x%" PRIu64 "\n", *width, *height);
 
 	BAN::Vector<Image::Color> bitmap;
 	TRY(bitmap.resize(*width * *height));
diff --git a/userspace/mmap-shared-test/main.cpp b/userspace/mmap-shared-test/main.cpp
index 68de5710d1..b27b3ccd81 100644
--- a/userspace/mmap-shared-test/main.cpp
+++ b/userspace/mmap-shared-test/main.cpp
@@ -152,7 +152,7 @@ int test2_job2()
 		return 1;
 	}
 
-	*(size_t*)addr = 0x123456789;
+	*(size_t*)addr = 0x12345678;
 
 	if (msync(addr, sizeof(size_t), MS_SYNC) == -1)
 	{