diff --git a/src/cvtDctsdr/sdr2device.c b/src/cvtDctsdr/sdr2device.c
index 0ed568ce5..43a02860e 100644
--- a/src/cvtDctsdr/sdr2device.c
+++ b/src/cvtDctsdr/sdr2device.c
@@ -93,7 +93,7 @@ int main(int argc,char **argv)
 	exit(-1);
     }
     fclose(fp);
-    strcpy(pfilename,"device.ascii");
+    strcpy(pfilename,"device.db");
     fp = fopen(pfilename,"w");
     if(!fp) {
 	printf("Error opening file %s\n",pfilename);
diff --git a/src/cvtDctsdr/sdr2driver.c b/src/cvtDctsdr/sdr2driver.c
index e05631002..a0065e86c 100644
--- a/src/cvtDctsdr/sdr2driver.c
+++ b/src/cvtDctsdr/sdr2driver.c
@@ -69,7 +69,7 @@ int main(int argc,char **argv)
 	exit(-1);
     }
     fclose(fp);
-    strcpy(pfilename,"driver.ascii");
+    strcpy(pfilename,"driver.db");
     fp = fopen(pfilename,"w");
     if(!fp) {
 	printf("Error opening file %s\n",pfilename);
diff --git a/src/cvtDctsdr/sdr2gblmenu.c b/src/cvtDctsdr/sdr2gblmenu.c
index ebe67e672..45fd9aff0 100644
--- a/src/cvtDctsdr/sdr2gblmenu.c
+++ b/src/cvtDctsdr/sdr2gblmenu.c
@@ -89,7 +89,7 @@ int main(int argc,char **argv)
     fclose(fp);
     for(i=0; i<NUM_GBL_MENUS; i++) {
 	strcpy(pfilename,aiMenuName[i]);
-	strcat(pfilename,".ascii");
+	strcat(pfilename,".db");
 	fp = fopen(pfilename,"w");
 	if(!fp) {
 	    printf("Error opening file %s\n",pfilename);
diff --git a/src/cvtDctsdr/sdr2recordtype.c b/src/cvtDctsdr/sdr2recordtype.c
index fd6241c55..774b0cc4c 100644
--- a/src/cvtDctsdr/sdr2recordtype.c
+++ b/src/cvtDctsdr/sdr2recordtype.c
@@ -195,7 +195,7 @@ int main(int argc,char **argv)
 	strcpy(pfilename,recordtypeName);
 	strcat(pfilename,"Record");
     }
-    strcat(pfilename,".ascii");
+    strcat(pfilename,".db");
     fp = fopen(pfilename,"w");
     if(!fp) {
 	fprintf(stderr,"Error opening file %s\n",pfilename);
@@ -248,7 +248,7 @@ gen_rectype:
 	indFldDes=-1;
     } else {
 	fprintf(fp,"recordtype(%s) {\n",recordtypeName);
-	fprintf(fp,"\tinclude \"dbCommon.ascii\" \n");
+	fprintf(fp,"\tinclude \"dbCommon.db\" \n");
 	/*Skip fields in dbCommon*/
 	for(indFldDes=0; indFldDes< precTypDes->no_fields; indFldDes++) {
 	    if(strcmp(precTypDes->papFldDes[indFldDes]->fldname,"FLNK")==0) break;