diff --git a/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h b/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
index d846bfdfe1ae47..466d27c865fc2a 100644
--- a/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
+++ b/src/platform/silabs/efr32/efr32-chip-mbedtls-config.h
@@ -95,6 +95,8 @@
 #define MBEDTLS_ECDSA_DETERMINISTIC
 #endif // SL_MATTER_PROVISION_FLASH
 
+// If defining snprintf we are also responsible for including its declaration
+#include <stdio.h>
 #define MBEDTLS_PLATFORM_SNPRINTF_MACRO snprintf
 
 #define MBEDTLS_AES_ROM_TABLES