diff --git a/PBGitCommit.h b/PBGitCommit.h
index bc5f511..dc1b3df 100644
--- a/PBGitCommit.h
+++ b/PBGitCommit.h
@@ -14,6 +14,7 @@
 	NSString* sha;
 	NSString* subject;
 	NSString* author;
+	NSString* details;
 	PBGitRepository* repository;
 }
 
diff --git a/PBGitCommit.m b/PBGitCommit.m
index f0210ab..e87d9dc 100644
--- a/PBGitCommit.m
+++ b/PBGitCommit.m
@@ -20,6 +20,7 @@
 
 - initWithRepository:(PBGitRepository*) repo andSha:(NSString*) newSha
 {
+	details = nil;
 	self.repository = repo;
 	self.sha = newSha;
 	return self;
@@ -27,8 +28,11 @@
 
 - (NSString*) details
 {
+	if (details != nil)
+		return details;
+
 	NSFileHandle* handle = [self.repository handleForCommand:[@"show --pretty=raw " stringByAppendingString:self.sha]];
-	NSString* details = [[NSString alloc] initWithData:[handle readDataToEndOfFile] encoding: NSASCIIStringEncoding];
+	details = [[NSString alloc] initWithData:[handle readDataToEndOfFile] encoding: NSASCIIStringEncoding];
 	return  details;
 }