diff --git a/am/piam.c b/am/piam.c
index 35b57e9..f93b3da 100644
--- a/am/piam.c
+++ b/am/piam.c
@@ -74,7 +74,7 @@ int main(int argc, char **argv) {
 		return 1 ;
 	}
 
-	FileFreqTiming = open(outfilename, O_RWONLY);
+	FileFreqTiming = open(outfilename, O_WRONLY|O_CREAT, 0644);
 
 
 	/** **/
diff --git a/fm/pifm.c b/fm/pifm.c
index b93d760..16d4059 100644
--- a/fm/pifm.c
+++ b/fm/pifm.c
@@ -74,7 +74,7 @@ int main(int argc, char **argv) {
 		return 1 ;
 	}
 
-	FileFreqTiming = open(outfilename, O_RWONLY);
+	FileFreqTiming = open(outfilename, O_WRONLY|O_CREAT, 0644);
 
 
 	/** **/