diff --git a/adb/adb.cpp b/adb/adb.cpp
index 11e9c68..3f14f1a 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -65,21 +65,34 @@
 void fatal(const char *fmt, ...) {
     va_list ap;
     va_start(ap, fmt);
-    fprintf(stderr, "error: ");
-    vfprintf(stderr, fmt, ap);
-    fprintf(stderr, "\n");
+    char buf[1024];
+    vsnprintf(buf, sizeof(buf), fmt, ap);
+
+#if ADB_HOST
+    fprintf(stderr, "error: %s\n", buf);
+#else
+    LOG(ERROR) << "error: " << buf;
+#endif
+
     va_end(ap);
-    exit(-1);
+    abort();
 }
 
 void fatal_errno(const char* fmt, ...) {
+    int err = errno;
     va_list ap;
     va_start(ap, fmt);
-    fprintf(stderr, "error: %s: ", strerror(errno));
-    vfprintf(stderr, fmt, ap);
-    fprintf(stderr, "\n");
+    char buf[1024];
+    vsnprintf(buf, sizeof(buf), fmt, ap);
+
+#if ADB_HOST
+    fprintf(stderr, "error: %s: %s\n", buf, strerror(err));
+#else
+    LOG(ERROR) << "error: " << buf << ": " << strerror(err);
+#endif
+
     va_end(ap);
-    exit(-1);
+    abort();
 }
 
 apacket* get_apacket(void)
diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index 3eeed34..374b468 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -412,7 +412,7 @@
         for (const char* message : messages) {
             WriteFdExactly(error_sfd->fd(), message);
         }
-        exit(-1);
+        abort();
     }
 
     if (make_pty_raw_) {
@@ -421,7 +421,7 @@
             int saved_errno = errno;
             WriteFdExactly(error_sfd->fd(), "tcgetattr failed: ");
             WriteFdExactly(error_sfd->fd(), strerror(saved_errno));
-            exit(-1);
+            abort();
         }
 
         cfmakeraw(&tattr);
@@ -429,7 +429,7 @@
             int saved_errno = errno;
             WriteFdExactly(error_sfd->fd(), "tcsetattr failed: ");
             WriteFdExactly(error_sfd->fd(), strerror(saved_errno));
-            exit(-1);
+            abort();
         }
     }