diff --git a/slsDetectorServers/eigerDetectorServer/FebControl.c b/slsDetectorServers/eigerDetectorServer/FebControl.c
index 5647a2ce8..9df7e6a80 100644
--- a/slsDetectorServers/eigerDetectorServer/FebControl.c
+++ b/slsDetectorServers/eigerDetectorServer/FebControl.c
@@ -1523,7 +1523,7 @@ int Feb_Control_SetQuad(int val) {
     return Feb_Control_SetTop(val == 0 ? TOP_HARDWARE : OW_BOTTOM, 0, 1);
 }
 
-int Feb_Control_SetChipSignalsToTrimQuad(bool enable) {
+int Feb_Control_SetChipSignalsToTrimQuad(int enable) {
     if (Feb_Control_quadMode) {
         LOG(logINFO, ("%s chip signals to trim quad\n",
                       enable ? "Enabling" : "Disabling"));
diff --git a/slsDetectorServers/eigerDetectorServer/FebControl.h b/slsDetectorServers/eigerDetectorServer/FebControl.h
index 4151af0ad..3209a5505 100644
--- a/slsDetectorServers/eigerDetectorServer/FebControl.h
+++ b/slsDetectorServers/eigerDetectorServer/FebControl.h
@@ -87,7 +87,7 @@ int Feb_Control_SetTop(enum TOPINDEX ind, int left, int right);
 void Feb_Control_SetMasterVariable(int val);
 int Feb_Control_SetMaster(enum MASTERINDEX ind);
 int Feb_Control_SetQuad(int val);
-int Feb_Control_SetChipSignalsToTrimQuad(bool enable);
+int Feb_Control_SetChipSignalsToTrimQuad(int enable);
 int Feb_Control_SetReadNLines(int value);
 int Feb_Control_GetReadNLines();
 int Feb_Control_WriteRegister(uint32_t offset, uint32_t data);
diff --git a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
index 51f922838..73b337ada 100644
--- a/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
+++ b/slsDetectorServers/eigerDetectorServer/slsDetectorFunctionList.c
@@ -1139,7 +1139,7 @@ int setModule(sls_detector_module myMod, char *mess) {
         sharedMemory_lockLocalLink();
 
         // if quad, set M8 and PROGRAM manually
-        if (!Feb_Control_SetChipSignalsToTrimQuad(true)) {
+        if (!Feb_Control_SetChipSignalsToTrimQuad(1)) {
             return FAIL;
         }
 
@@ -1151,7 +1151,7 @@ int setModule(sls_detector_module myMod, char *mess) {
                            "trim file)\n"));
 
             // if quad, reset M8 and PROGRAM manually
-            if (!Feb_Control_SetChipSignalsToTrimQuad(false)) {
+            if (!Feb_Control_SetChipSignalsToTrimQuad(0)) {
                 return FAIL;
             }
 
@@ -1160,7 +1160,7 @@ int setModule(sls_detector_module myMod, char *mess) {
         }
 
         // if quad, reset M8 and PROGRAM manually
-        if (!Feb_Control_SetChipSignalsToTrimQuad(false)) {
+        if (!Feb_Control_SetChipSignalsToTrimQuad(0)) {
             return FAIL;
         }