diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index f6da7ad81..c4389e6ff 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
index 65ffa1a32..b743f10a7 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorFunctionList.c
@@ -1074,17 +1074,18 @@ int setInjectChannel(int offset, int increment) {
 	int startCh = 4; // 4 due to padding
 	int ich = 0; 
 	for (ich = startCh + offset; ich < startCh + NCHAN; ich = ich + increment) {
-		buffer[ich] = 1;
+		int byteIndex = ich / 8;
+		int bitIndex = ich % 8;
+		buffer[byteIndex] |= (1 << (8 - 1 - bitIndex));
 	}
 
-	for (ich = 0; ich < sizeof(buffer); ++ich) {
-		printf("%d : 0x%02hhx\n", ich, buffer[ich]);
-	}
+	// address at the end
+	buffer[16] |= (ASIC_CURRENT_INJECT_ADDR);
 
-	//int chipIndex = -1; // for all chips
-	//if (ASIC_Driver_Set(chipIndex, sizeof(buffer), buffer) == FAIL) {
-	//	return FAIL;				
-	//}
+	int chipIndex = -1; // for all chips
+	if (ASIC_Driver_Set(chipIndex, sizeof(buffer), buffer) == FAIL) {
+		return FAIL;				
+	}
 
 	injectedChannelsOffset = offset;
 	injectedChannelsIncrement = increment;
diff --git a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
index 5431a3d2b..256e9a226 100644
--- a/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
+++ b/slsDetectorServers/gotthard2DetectorServer/slsDetectorServer_defs.h
@@ -78,6 +78,11 @@ enum CLKINDEX                       {READOUT_C0, READOUT_C1, SYSTEM_C0, SYSTEM_C
 
 enum PLLINDEX						{READOUT_PLL, SYSTEM_PLL};
 
+
+/** Chip Definitions */
+#define ASIC_CURRENT_INJECT_ADDR	(0x9)
+
+
 /* Struct Definitions */
 typedef struct udp_header_struct {
 	uint32_t	udp_destmac_msb;
diff --git a/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c b/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
index 39af05e55..b8494e3be 100755
--- a/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
+++ b/slsDetectorServers/slsDetectorServer/src/ASIC_Driver.c
@@ -30,22 +30,12 @@ int ASIC_Driver_Set (int index, int length, char* buffer) {
     sprintf(fname, "%s%d", ASIC_Driver_DriverFileName, index + 1);
     FILE_LOG(logDEBUG1, ("\t[chip index: %d, length: %d, fname: %s]\n", index, length, fname)); 
     {
-        char printbuffer[2 * length + 15];
-        memset(printbuffer, 0, 2 * length);
-        strcpy(printbuffer, "\t[values: ");
+        FILE_LOG(logDEBUG1, ("\t[values: \n"));
         int i;
         for (i = 0; i < length; ++i) {
-            char bytes[10]="";
-            sprintf(bytes, "0x%02hhx", buffer[i]);
-            strcat(printbuffer, bytes);
-            if (i < length - 1) {
-                strcat(printbuffer, "\t");
-            }
+            FILE_LOG(logDEBUG1, ("\t%d: 0x%02hhx\n", i, buffer[i]));
         }
-        int len = strlen(printbuffer);
-        printbuffer[len - 1] = ']';
-        printbuffer[len] = '\0';
-        FILE_LOG(logDEBUG1, ("%s\n", printbuffer));
+        FILE_LOG(logDEBUG1, ("\t]\n"));
     }
     
     int fd=open(fname, O_RDWR);
diff --git a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
index acdda0e2d..dcde8320a 100755
--- a/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
+++ b/slsDetectorServers/slsDetectorServer/src/slsDetectorServer_funcs.c
@@ -6177,7 +6177,7 @@ int set_inject_channel(int file_des) {
 			ret = setInjectChannel(offset, increment); 
 			if (ret == FAIL) {
 				ret = FAIL;
-				sprintf(mess, "Could not inject channel\n", offset, increment);
+				strcpy(mess, "Could not inject channel\n");
 				FILE_LOG(logERROR, (mess));					
 			}
 		}
diff --git a/slsDetectorSoftware/include/CmdProxy.h b/slsDetectorSoftware/include/CmdProxy.h
index 60ebb3708..9eaac65f1 100644
--- a/slsDetectorSoftware/include/CmdProxy.h
+++ b/slsDetectorSoftware/include/CmdProxy.h
@@ -925,6 +925,7 @@ class CmdProxy {
     std::string ROI(int action);
     std::string ClearROI(int action);
     /* Gotthard2 Specific */
+    std::string InjectChannel(int action);    
     /* CTB Specific */
     std::string Samples(int action);
     std::string Dbitphase(int action);
diff --git a/slsDetectorSoftware/tests/test-multiSlsDetectorClient.cpp b/slsDetectorSoftware/tests/test-multiSlsDetectorClient.cpp
index 0ea597571..ac50f4123 100644
--- a/slsDetectorSoftware/tests/test-multiSlsDetectorClient.cpp
+++ b/slsDetectorSoftware/tests/test-multiSlsDetectorClient.cpp
@@ -9,6 +9,26 @@
 auto GET = slsDetectorDefs::GET_ACTION;
 auto PUT = slsDetectorDefs::PUT_ACTION;
 
+TEST_CASE("inj_ch", "[.cmd][.gotthard2]") {
+    if (test::type == slsDetectorDefs::GOTTHARD2) {   
+        {
+            std::ostringstream oss;
+            REQUIRE_NOTHROW(multiSlsDetectorClient("inj_ch 0 1", PUT, nullptr, oss));
+            REQUIRE(oss.str() == "inj_ch [0, 1]\n");
+        }
+        {
+            std::ostringstream oss;
+            REQUIRE_NOTHROW(multiSlsDetectorClient("inj_ch", GET, nullptr, oss));
+            REQUIRE(oss.str() == "inj_ch [0, 1]\n");
+        }
+        REQUIRE_THROWS(multiSlsDetectorClient("inj_ch -1 1", PUT));
+        REQUIRE_THROWS(multiSlsDetectorClient("inj_ch 0 1", PUT));
+    } else {
+        REQUIRE_THROWS(multiSlsDetectorClient("inj_ch", GET));
+    }
+}
+
+
 TEST_CASE("vchip", "[.cmd]") {
     int prev_val = 0;