diff --git a/api/src/main/java/org/apache/iceberg/types/Conversions.java b/api/src/main/java/org/apache/iceberg/types/Conversions.java
index 421333f9f5..827f311ec1 100644
--- a/api/src/main/java/org/apache/iceberg/types/Conversions.java
+++ b/api/src/main/java/org/apache/iceberg/types/Conversions.java
@@ -34,6 +34,7 @@
 import org.apache.iceberg.expressions.Literal;
 import org.apache.iceberg.util.UUIDUtil;
 
+
 public class Conversions {
 
   private Conversions() {
@@ -72,7 +73,8 @@ public static Object fromPartitionString(Type type, String asString) {
       case DATE:
         return Literal.of(asString).to(Types.DateType.get()).value();
       case TIMESTAMP:
-        return Literal.of(asString).to(Types.TimestampType.withoutZone()).value();
+        final String isoFormatTs = asString.replaceFirst(" ", "T");
+        return Literal.of(isoFormatTs).to(Types.TimestampType.withoutZone()).value();
       default:
         throw new UnsupportedOperationException(
             "Unsupported type for fromPartitionString: " + type);