diff --git a/src/audio/crossover/crossover.c b/src/audio/crossover/crossover.c
index 5878dd67c43c..3633befe9fc9 100644
--- a/src/audio/crossover/crossover.c
+++ b/src/audio/crossover/crossover.c
@@ -297,7 +297,7 @@ static int crossover_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct comp_data *cd;
 	const struct module_config *ipc_crossover = &md->cfg;
-	size_t bs = ipc_crossover->size;
+	size_t bs = module_adapter_init_bytes_blob_size(ipc_crossover);
 	int ret;
 
 	comp_info(dev, "crossover_init()");
diff --git a/src/audio/dcblock/dcblock.c b/src/audio/dcblock/dcblock.c
index b94373489538..87b6f4990b88 100644
--- a/src/audio/dcblock/dcblock.c
+++ b/src/audio/dcblock/dcblock.c
@@ -85,7 +85,7 @@ static int dcblock_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *ipc_dcblock = &md->cfg;
 	struct comp_data *cd;
-	size_t bs = ipc_dcblock->size;
+	size_t bs = module_adapter_init_bytes_blob_size(ipc_dcblock);
 	int ret;
 
 	comp_info(dev, "dcblock_init()");
diff --git a/src/audio/drc/drc.c b/src/audio/drc/drc.c
index f02c8ff2a4fe..e2efae5b79d6 100644
--- a/src/audio/drc/drc.c
+++ b/src/audio/drc/drc.c
@@ -145,7 +145,7 @@ static int drc_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct drc_comp_data *cd;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int ret;
 
 	comp_info(dev, "drc_init()");
diff --git a/src/audio/eq_fir/eq_fir.c b/src/audio/eq_fir/eq_fir.c
index 0fb40145aa97..0a723636ca86 100644
--- a/src/audio/eq_fir/eq_fir.c
+++ b/src/audio/eq_fir/eq_fir.c
@@ -250,7 +250,7 @@ static int eq_fir_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct comp_data *cd = NULL;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int i;
 	int ret;
 
diff --git a/src/audio/eq_iir/eq_iir.c b/src/audio/eq_iir/eq_iir.c
index 7e2e54df7df6..579f6bd827d0 100644
--- a/src/audio/eq_iir/eq_iir.c
+++ b/src/audio/eq_iir/eq_iir.c
@@ -50,7 +50,7 @@ static int eq_iir_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct comp_data *cd;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int i, ret;
 
 	comp_info(dev, "eq_iir_init()");
diff --git a/src/audio/igo_nr/igo_nr.c b/src/audio/igo_nr/igo_nr.c
index 469cc5405b02..c8feb919e5a0 100644
--- a/src/audio/igo_nr/igo_nr.c
+++ b/src/audio/igo_nr/igo_nr.c
@@ -410,7 +410,7 @@ static int igo_nr_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct comp_data *cd;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int32_t ret;
 
 	comp_info(dev, "igo_nr_init()");
diff --git a/src/audio/mfcc/mfcc.c b/src/audio/mfcc/mfcc.c
index 21465e40e4ac..a5882b100b1f 100644
--- a/src/audio/mfcc/mfcc.c
+++ b/src/audio/mfcc/mfcc.c
@@ -77,7 +77,7 @@ static int mfcc_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct mfcc_comp_data *cd = NULL;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int ret;
 
 	comp_info(dev, "mfcc_init()");
diff --git a/src/audio/module_adapter/module_adapter_ipc3.c b/src/audio/module_adapter/module_adapter_ipc3.c
index 765c3e2b82fe..016096685d53 100644
--- a/src/audio/module_adapter/module_adapter_ipc3.c
+++ b/src/audio/module_adapter/module_adapter_ipc3.c
@@ -353,3 +353,8 @@ int module_adapter_sink_src_prepare(struct comp_dev *dev)
 
 	return ret;
 }
+
+size_t module_adapter_init_bytes_blob_size(const struct module_config *config)
+{
+	return config->size;
+}
diff --git a/src/audio/module_adapter/module_adapter_ipc4.c b/src/audio/module_adapter/module_adapter_ipc4.c
index 060cef446f73..876671e0c445 100644
--- a/src/audio/module_adapter/module_adapter_ipc4.c
+++ b/src/audio/module_adapter/module_adapter_ipc4.c
@@ -277,3 +277,8 @@ int module_adapter_sink_src_prepare(struct comp_dev *dev)
 	return module_prepare(mod, mod->sources, mod->num_of_sources,
 			      mod->sinks, mod->num_of_sinks);
 }
+
+size_t module_adapter_init_bytes_blob_size(const struct module_config *config)
+{
+	return 0;
+}
diff --git a/src/audio/multiband_drc/multiband_drc.c b/src/audio/multiband_drc/multiband_drc.c
index 019f5274c2bc..841499efaa77 100644
--- a/src/audio/multiband_drc/multiband_drc.c
+++ b/src/audio/multiband_drc/multiband_drc.c
@@ -222,7 +222,7 @@ static int multiband_drc_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct multiband_drc_comp_data *cd;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int ret;
 
 	comp_info(dev, "multiband_drc_init()");
diff --git a/src/audio/rtnr/rtnr.c b/src/audio/rtnr/rtnr.c
index bc78126059c2..5ce38752ca22 100644
--- a/src/audio/rtnr/rtnr.c
+++ b/src/audio/rtnr/rtnr.c
@@ -228,7 +228,7 @@ static int rtnr_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *ipc_rtnr = &mod_data->cfg;
 	struct comp_data *cd;
-	size_t bs = ipc_rtnr->size;
+	size_t bs = module_adapter_init_bytes_blob_size(ipc_rtnr);
 	int ret;
 
 	comp_info(dev, "rtnr_new()");
diff --git a/src/audio/tdfb/tdfb.c b/src/audio/tdfb/tdfb.c
index 9adc6a64af6d..adef1243e8ab 100644
--- a/src/audio/tdfb/tdfb.c
+++ b/src/audio/tdfb/tdfb.c
@@ -542,7 +542,7 @@ static int tdfb_init(struct processing_module *mod)
 	struct comp_dev *dev = mod->dev;
 	struct module_config *cfg = &md->cfg;
 	struct tdfb_comp_data *cd;
-	size_t bs = cfg->size;
+	size_t bs = module_adapter_init_bytes_blob_size(cfg);
 	int ret;
 	int i;
 
diff --git a/src/include/sof/audio/module_adapter/module/generic.h b/src/include/sof/audio/module_adapter/module/generic.h
index 2952d86c375d..5c5d4f8242b0 100644
--- a/src/include/sof/audio/module_adapter/module/generic.h
+++ b/src/include/sof/audio/module_adapter/module/generic.h
@@ -320,4 +320,6 @@ void module_adapter_set_params(struct processing_module *mod, struct sof_ipc_str
 int module_adapter_set_state(struct processing_module *mod, struct comp_dev *dev,
 			     int cmd);
 int module_adapter_sink_src_prepare(struct comp_dev *dev);
+size_t module_adapter_init_bytes_blob_size(const struct module_config *config);
+
 #endif /* __SOF_AUDIO_MODULE_GENERIC__ */