diff --git a/capture-sdk/sdk/src/main/java/net/gini/android/capture/internal/iban/IBANKnowledge.kt b/capture-sdk/sdk/src/main/java/net/gini/android/capture/internal/iban/IBANKnowledge.kt
index 174b5c496c..bed4747b4a 100644
--- a/capture-sdk/sdk/src/main/java/net/gini/android/capture/internal/iban/IBANKnowledge.kt
+++ b/capture-sdk/sdk/src/main/java/net/gini/android/capture/internal/iban/IBANKnowledge.kt
@@ -31,7 +31,7 @@ object IBANKnowledge {
         """($countryCodesRegex) ?(\d ?\d) ?([-\p{Alnum} ]{11,50}\p{Alnum}|[\p{Alnum}]{11,30})\b""".toRegex()
 
     val ibanInBlocksRegex =
-        """\b($countryCodesRegex) ?\d{2}(\s{0,3}[a-zA-Z0-9]{4}){3,8}(\s{0,3}[a-zA-Z0-9]{1,4})\b""".toRegex()
+        """\b($countryCodesRegex) ?\d{2}(\s{0,3}[a-zA-Z0-9]{4}){2,8}(\s{0,3}[a-zA-Z0-9]{1,4})\b""".toRegex()
 
     val germanIBANRegex = """^DE\d{${countryIbanDictionary["DE"]?.minus(2)}}$""".toRegex()
 }
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