diff --git a/install.cpp b/install.cpp
index db4ba93..7ba8f01 100644
--- a/install.cpp
+++ b/install.cpp
@@ -66,18 +66,14 @@
 static std::condition_variable finish_log_temperature;
 
 // This function parses and returns the build.version.incremental
-static int parse_build_number(const std::string& str) {
+static std::string parse_build_number(const std::string& str) {
     size_t pos = str.find('=');
     if (pos != std::string::npos) {
-        std::string num_string = android::base::Trim(str.substr(pos+1));
-        int build_number;
-        if (android::base::ParseInt(num_string.c_str(), &build_number, 0)) {
-            return build_number;
-        }
+        return android::base::Trim(str.substr(pos+1));
     }
 
     LOG(ERROR) << "Failed to parse build number in " << str;
-    return -1;
+    return "";
 }
 
 bool read_metadata_from_package(ZipArchiveHandle zip, std::string* metadata) {
@@ -114,14 +110,14 @@
   for (const std::string& line : lines) {
     std::string str = android::base::Trim(line);
     if (android::base::StartsWith(str, "pre-build-incremental")) {
-      int source_build = parse_build_number(str);
-      if (source_build != -1) {
-        log_buffer->push_back(android::base::StringPrintf("source_build: %d", source_build));
+      std::string source_build = parse_build_number(str);
+      if (!source_build.empty()) {
+        log_buffer->push_back("source_build: " + source_build);
       }
     } else if (android::base::StartsWith(str, "post-build-incremental")) {
-      int target_build = parse_build_number(str);
-      if (target_build != -1) {
-        log_buffer->push_back(android::base::StringPrintf("target_build: %d", target_build));
+      std::string target_build = parse_build_number(str);
+      if (!target_build.empty()) {
+        log_buffer->push_back("target_build: " + target_build);
       }
     }
   }