diff --git a/scripts/jinja2/loadYamlEnc.cmd b/scripts/jinja2/loadYamlEnc.cmd
index f397f179c..cff6e3c8f 100644
--- a/scripts/jinja2/loadYamlEnc.cmd
+++ b/scripts/jinja2/loadYamlEnc.cmd
@@ -19,6 +19,8 @@
 #- halt the ioc startup in case of an error
 on error halt
 
+epicsEnvSet(ECMC_IS_LOAD_YAML_ENC, 1)
+
 #- setup python venv and run `plcYamlJinja2.py`
 #- MUST be in the same 'system'-context!!!
 ecmcIf("'$(ECMC_CFG_TOOL=jinja)'=='ecb'")
@@ -36,5 +38,6 @@ ${SCRIPTEXEC} "${ECMC_TMP_DIR}${FILE}.enc"
 
 #- cleanup
 system "rm -rf ${ECMC_TMP_DIR}${FILE}.enc"
+epicsEnvUnset(ECMC_IS_LOAD_YAML_ENC)
 #- reset PREFIX
 epicsEnvSet("ECMC_PREFIX"      "${SM_PREFIX}")
diff --git a/scripts/jinja2/templates/encoder.jinja2 b/scripts/jinja2/templates/encoder.jinja2
index c76ba97c6..afec4b1b6 100644
--- a/scripts/jinja2/templates/encoder.jinja2
+++ b/scripts/jinja2/templates/encoder.jinja2
@@ -29,8 +29,12 @@ epicsEnvSet(ECMC_ENC_CFG_ID,${ECMC_CONFIG_RETURN_VAL})
 {#- scaling #}
 ecmcConfigOrDie "Cfg.SetAxisEncScaleDenom(${ECMC_AXIS_NO},{{ encoder.denominator|float }})"
 ecmcConfigOrDie "Cfg.SetAxisEncScaleNum(${ECMC_AXIS_NO},{{ encoder.numerator }})"
+
 {#- source #}
-ecmcConfigOrDie "Cfg.SetAxisEncSourceType(${ECMC_AXIS_NO},{{ encoder.source }})"
+ecmcIf("${ECMC_IS_LOAD_YAML_ENC=0}=0")
+${IF_TRUE}ecmcConfigOrDie "Cfg.SetAxisEncSourceType(${ECMC_AXIS_NO},{{ encoder.source }})"
+ecmcEndIf()
+
 {#- data #}
 ecmcConfigOrDie "Cfg.SetAxisEncType(${ECMC_AXIS_NO},{{ encoder.type }})"
 ecmcConfigOrDie "Cfg.SetAxisEncBits(${ECMC_AXIS_NO},{{ encoder.bits }})"