diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index c3376a566..f41f4d075 100755
Binary files a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer and b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index b6d88758b..7a4431dbb 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer
index d9eb9567c..203022a49 100755
Binary files a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer and b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer differ
diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index 614697738..0087a5941 100755
Binary files a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer and b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer differ
diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index 689983ff1..9069872eb 100755
Binary files a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer and b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 06de46a65..49deef72d 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/slsDetectorServer/src/programViaBlackfin.c b/slsDetectorServers/slsDetectorServer/src/programViaBlackfin.c
index 4cdd9ee14..483b5773c 100644
--- a/slsDetectorServers/slsDetectorServer/src/programViaBlackfin.c
+++ b/slsDetectorServers/slsDetectorServer/src/programViaBlackfin.c
@@ -486,8 +486,8 @@ int checkNormalFile(char *mess, enum PROGRAM_INDEX index, int forceDeleteNormalF
         LOG(logERROR, (mess));
         return FAIL;
     }
-    // zero = normal file (not block special file)
-    if (S_ISBLK(buf.st_mode)) {
+    // zero = normal file (not char special drive file)
+    if (!S_ISCHR(buf.st_mode)) {
         // kernel memory is not permanent
         if (index != PROGRAM_FPGA) {
             sprintf(mess,
diff --git a/slsDetectorServers/slsDetectorServer/src/programViaNios.c b/slsDetectorServers/slsDetectorServer/src/programViaNios.c
index a1408338c..eeff442a3 100644
--- a/slsDetectorServers/slsDetectorServer/src/programViaNios.c
+++ b/slsDetectorServers/slsDetectorServer/src/programViaNios.c
@@ -158,8 +158,8 @@ int openFileForFlash(char *mess, FILE **flashfd) {
         LOG(logERROR, (mess));
         return FAIL;
     }
-    // zero = normal file (not block special file)
-    if (S_ISBLK(buf.st_mode)) {
+    // zero = normal file (not char drive special file)
+    if (!S_ISCHR(buf.st_mode)) {
         // memory is not permanent
         sprintf(mess,
                 "Could not %s. The flash drive found is a normal file. "
diff --git a/slsSupportLib/include/sls/versionAPI.h b/slsSupportLib/include/sls/versionAPI.h
index 278993a66..eb0a392f1 100644
--- a/slsSupportLib/include/sls/versionAPI.h
+++ b/slsSupportLib/include/sls/versionAPI.h
@@ -7,9 +7,9 @@
 #define APIGUI 0x211124
 
 #define APIEIGER 0x220324
-#define APICTB 0x220324
-#define APIGOTTHARD 0x220324
-#define APIGOTTHARD2 0x220324
-#define APIJUNGFRAU 0x220324
-#define APIMYTHEN3 0x220324
-#define APIMOENCH 0x220324
+#define APICTB 0x220328
+#define APIGOTTHARD 0x220328
+#define APIGOTTHARD2 0x220328
+#define APIMYTHEN3 0x220328
+#define APIMOENCH 0x220328
+#define APIJUNGFRAU 0x220328